(x + 2)(x + 5)(y + 1)
(x + 2)(x - 5)(y + 1)
(x - 2)(x + 5)(y + 1)
(x - 2)(x - 5)(y + 1)
Correct answer is C
x2+x2y+3x−10y+3xy−10
= x2+x2y+3x+3xy−10y−10=x2(1+y)+3x(1+y)−10(y+1)
= (x2+3x−10)(y+1)
= (x2+3x−10)=x2−2x+5x−10
= x(x−2)+5(x−2)=(x−2)(x+5)
∴.
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