(2x-5)^2-(1-x)(1+x)

Question

0

842

1

+4

(2x-5)^2-(1-x)(1+x)

Modestmind Apr 23, 2014

+33615

+5

Best Answer

Do you just want to simplify this?

(2x-5)² - (1-x)(1+x) = 4x² - 20x +25 -(1+x-x-x²) = 4x² - 20x +25 - 1 +x² = 5x²-20x +24

Alan Apr 23, 2014

Alan · Answer 1 · 2014-04-23T06:47:14

Do you just want to simplify this?

(2x-5)² - (1-x)(1+x) = 4x² - 20x +25 -(1+x-x-x²) = 4x² - 20x +25 - 1 +x² = 5x²-20x +24