Which is the correct step below for using the grouping method to factor the following polynomial? 8x - 6 - 12x2 + 9x

Question

Mathematics

Leonie

4 March, 08:49

Which is the correct step below for using the grouping method to factor the following polynomial? 8x - 6 - 12x2 + 9x

+3

Answers (2)

Know the Answer?

Barbara Hoffman · Answer 1

8x - 6 - 12x^2 + 9x

2 (4x-3) - 3x (3x-3)

=> (2-3x) (3x-3)

=> 3 (x-1) (2-3x)

Emilie Benjamin · Answer 2

Order from highest power to lowest

-12x^2+9x+8x-6

group

(-12x^2+9x) + (8x-6)

factor

(-3x) (4x-3) + (2) (4x-3)

undistribute

(-3x+2) (4x-3)

(4x-3) (2-3x)