Question

Which of these is a correct expansion of (4x-2)(2x + 3)?

O A. 4x: 2x + 4x:3+ (-2): 2x + (-2): 3
O B. 4x. 27+ 4x• 3 + 2 + 2+ + 2-3
O c. 4x• 2x + (-2): 2x + 27.3+(-2) - 3​

Answer 1

C

Explanation

You have to do the rainbow move which is basically multiplying

4x*2x, 4x*3, -2*2x, -2*3

which then simplified would equal to 8x^2+8x-6