Question

Question
Find the product.

(3x2+x−2)(−4x2−2x−1)=

Answer 1

-12x⁴-10x³+3x²+3x+2

Explanation:

(3x²+x−2)(−4x²−2x−1)=3x²(−4x²−2x−1)+x(−4x²−2x−1)−2(−4x²−2x−1)

{ ( a+b ) ( a+b )=a ( a+b )+b ( a+b ) by distributive property }

= -12x⁴-6x³-3x²-4x³-2x²-x+8x²+4x+2

= -12x⁴-10x³+3x²+3x+2