Question

Remove brackets and simplify: 2(3x + 2)^2 - 3(2x - 1)^2. what is the coefficient of x?​

Answer 1

Step-by-step explanation:

(3x+2)² = 9x²+ 12x+4

2(3x+2)²= 18x²+24x+8 --A

(2x-1)²=4x²-4x+1

3(2x-1)² = 12x²-12x+3 ---B

A-B = 18x²+24x+4-12x²+12x-3

= 6x²+36x+1

co efficient of x= 36