Question

help

Answer 1

@AZ

Answer 2

What two numbers multiply to 4*-7 = -28

and add up to -12

Answer 3

-14 and 2

Answer 4

yes, so we need to factor by grouping

so we can split up -12x into -14x + 2x

so we have

4x^2 + 2x - 14x - 7

now factor (4x^2 + 2x)

and factor (-14x - 7)