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Polynomial Simplify

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Polynomial Simplify


1. Soddalashtiring: 1) $x^2 + 3x + 2 + (2x^2 - 3x + 2)$ Qavs ichidagi ifodani ochamiz: $x^2 + 3x + 2 + 2x^2 - 3x + 2$ Bir xil darajali ko‘phadlarni qo‘shamiz: $x^2 + 2x^2 = 3x^2$ $3x - 3x = 0$ $2 + 2 = 4$ Natija: $$3x^2 + 4$$ 2) $2x^2 - 4x + 3 - (2x^2 + 3x - 2)$ Qavsni olib tashlaganda, signlarni o‘zgartiramiz: $2x^2 - 4x + 3 - 2x^2 - 3x + 2$ Bir xil daraja ko‘phadlarni yig‘amiz: $2x^2 - 2x^2 = 0$ $-4x - 3x = -7x$ $3 + 2 = 5$ Natija: $$-7x + 5$$ 3) $x^3 + 2x + 1 - (3x^3 - 2x^2 + 2x)$ Signlarni qo‘shamiz: $x^3 + 2x + 1 - 3x^3 + 2x^2 - 2x$ Birlashtiramiz: $x^3 - 3x^3 = -2x^3$ $2x - 2x = 0$ $1$ (o‘zgarmaydi) Shuningdek, $2x^2$ qoladi. Natija: $$-2x^3 + 2x^2 + 1$$ 4) $2a + 4b - (-2a + 3b)$ Qavsni olib tashlaymiz: $2a + 4b + 2a - 3b$ Yig‘amiz: $2a + 2a = 4a$ $4b - 3b = b$ Natija: $$4a + b$$ 5) $3a - 5b + (2a - 3b)$ Qavsni ochamiz: $3a - 5b + 2a - 3b$ Qo‘shamiz: $3a + 2a = 5a$ $-5b - 3b = -8b$ Natija: $$5a - 8b$$ 6) $4a + 5b - (3a - 8b)$ Qavsni olib tashlaymiz: $4a + 5b - 3a + 8b$ Yig‘amiz: $4a - 3a = a$ $5b + 8b = 13b$ Natija: $$a + 13b$$ 7) $x^2 + 2x - (x^2 + 3x - 1) + (x^2 - 2x + 1)$ Qavslarni ochamiz: $x^2 + 2x - x^2 - 3x + 1 + x^2 - 2x + 1$ Yig‘amiz: $x^2 - x^2 + x^2 = x^2$ $2x - 3x - 2x = -3x$ $1 + 1 = 2$ Natija: $$x^2 - 3x + 2$$ 8) $x^4 + 4x - (x^3 + x + 2) - (x^4 + 3x + x^2)$ Qavslarni olib tashlaymiz: $x^4 + 4x - x^3 - x - 2 - x^4 - 3x - x^2$ Yig‘amiz: $x^4 - x^4 = 0$ $4x - x - 3x = 0$ $-x^3$ $-x^2$ $-2$ Natija: $$-x^3 - x^2 - 2$$ 9) $5a - 4b + c - (4a + 3b) - (b + c)$ Qavslarni olib tashlaymiz: $5a - 4b + c - 4a - 3b - b - c$ Yig‘amiz: $5a - 4a = a$ $-4b - 3b - b = -8b$ $c - c = 0$ Natija: $$a - 8b$$ 10) $3a - (2b + 3c) - (4a + 2b - c)$ Qavslarni ochamiz: $3a - 2b - 3c - 4a - 2b + c$ Yig‘amiz: $3a - 4a = -a$ $-2b - 2b = -4b$ $-3c + c = -2c$ Natija: $$-a - 4b - 2c$$ 11) $x^2 + 2xy - (3y^2 + xy + x^2)$ Qavsni ochamiz: $x^2 + 2xy - 3y^2 - xy - x^2$ Yig‘amiz: $x^2 - x^2 = 0$ $2xy - xy = xy$ $-3y^2$ Natija: $$xy - 3y^2$$ 12) $xy + 3x^2 + (-2x - xy + y^2) - (x + 2x^2)$ Qavslarni ochamiz: $xy + 3x^2 - 2x - xy + y^2 - x - 2x^2$ Yig‘amiz: $xy - xy = 0$ $3x^2 - 2x^2 = x^2$ $-2x - x = -3x$ $y^2$ Natija: $$x^2 - 3x + y^2$$ 13) $x^2 + y^2 - (2x^2 + xy) - (3y^2 - xy + 3x^2)$ Olib tashlaymiz: $x^2 + y^2 - 2x^2 - xy - 3y^2 + xy - 3x^2$ $xy - xy = 0$ $ x^2 - 2x^2 - 3x^2 = -4x^2 $ $ y^2 - 3y^2 = -2y^2 $ Natija: $$-4x^2 - 2y^2$$ 14) $x^3 + xy^2 - (y^3 + 4xy^2) + (2x^3 + 3xy^2)$ Ochamiz: $x^3 + xy^2 - y^3 - 4xy^2 + 2x^3 + 3xy^2$ Yig‘amiz: $x^3 + 2x^3 = 3x^3$ $xy^2 - 4xy^2 + 3xy^2 = 0$ $- y^3$ Natija: $$3x^3 - y^3$$ 15) $-(x^2 + 2xy) + (xy + y^2) + 3x^2 + xy$ Ochamiz: $-x^2 - 2xy + xy + y^2 + 3x^2 + xy$ Yig‘amiz: $-x^2 + 3x^2 = 2x^2$ $-2xy + xy + xy = 0$ $y^2$ Natija: $$2x^2 + y^2$$