Question

(2x+1)в квадрате - 64=0

Answer 1

(2x + 1)² - 64 = 0
(2x + 1 - 8)(2x + 1+ 8) = 0
2x - 7 = 0
2x = 7
x₁ = 3,5
2x + 9 = 0
2x = - 9
x₂ = - 4,5