Question

8) Resolver a equação (x+1)2-11=5.(x-2)​

Answer 1

x² + 2.x.1 + 1² - 11 = 5x - 10

x² + 2x + 1 - 11 -5x + 10 = 0

x² + 2x - 5x + 1 - 11 + 10 = 0

x² - 3x - 10 + 10 = 0

x² - 3x = 0

x( x - 3) = 0

x = 0

x - 3 = 0

x = 3