Question

(2x+3)^2-(2x+1)(2x-1)=22

Answer 1

x = 1

Explanation:

(2x + 3)² - (2x + 1)(2x - 1) = 22 ← expand factors using FOIL

4x² + 12x + 9 - (4x² - 1) = 22

4x² + 12x + 9 - 4x² + 1 = 22

12x + 10 = 22 ( subtract 10 from both sides )

12x = 12 ( divide both sides by 12 )

x = 1