Question

(x+4)^2-(x+1)(x-2)=2x-3
Решите уравнение

Answer 1

(х+4)² - (х+1)(х-2) = 2х -3

х² + 8х +16 - х² +2х -х +2 = 2х -3

9х +18 = 2х-3

9х -2х = -3 -18

7х = -21

 х = -3