2x squared - 12x - 80?

Answer 1

2x²-12x-80

First factor out 2 from each term to make it easier to handle.

2(x²-6x-40)

What two number that are 6 apart (since the 6 is negative) multiply to make 40?

10 and 4 work.

Since the 6 is negative, put the negative with the higher number, and you're done.

2(x-10)(x+4) ◄

Check it

2 (x² - 10x + 4x - 40)

2 (x² - 6x - 40)

2x² - 12x - 80 ■