MULTIPLYING POLYNOMIALS Question Preview (ID: 30669)


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(x+3)(x^2– 2x+3)=
a) x^3–5x^2-9x–9
b) x^3–5x^2+9x+9
c) -x^3–5x^2+9x–9
d) x^3–5x^2+9x–9

(x-5)(x+5)=
a) x^2–25
b) x^2+25
c) -x^2–25
d) -x^2+25

(2x+3y)(3x –2y)=
a) -6x^2+ 5xy– 6y^2
b) 5x^2+ 5xy– 6y^2
c) 6x^2+ 5xy– 6y^2
d) -5x^2+ 5xy– 6y^2

(x+3)(x+5)=
a) -x^2+8x + 8
b) x^2+8x + 8
c) -x^2+8x + 15
d) x^2+8x + 15

-5x^2y^3 (2x^2y– 3x+ 4y^5)=
a) 10x^2y^4+ 15x^3y^3– 20x^2y^8
b) -10x^4y^4+ 15x^3y^3– 20x^2y^8
c) 10x^4y^4+ 15x^3y^3– 20x^2y^8
d) -10x^2y^4+ 15x^3y^3– 20x^2y^8

3x (x^2– 5x+ 7)=
a) 3x^3– 15x^2+10x
b) 3x^3– 14x^2+21x
c) 3x^3– 15x^2+21x
d) -3x^3– 15x^2+21x

(x^3)(x^5) =
a) x^3
b) x^15
c) x^2
d) x^8

(3x^2)(-5x^10) =
a) -15x^12
b) 15x^12
c) -15x^8
d) 15x^8

(-8x^2y^3)(-9xy^8) =
a) -72xy^5
b) 72x^3y^11
c) 72xy^5
d) -72x3y11

(x^2+3x– 4)(4x^3+5x– 1)=
a) 4x^5-12x^4–11x^3+ 14x^2–23x+4
b) 4x^5+12x^4–11x^3+ 14x^2–23x+4
c) 4x^5+12x^4–11x^3- 14x^2–23x+4
d) 4x^5+12x^4–11x^3+ 14x^2–23x-4

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