Question

Решить уравнения: (3х+2)(3х-2)–32 = 9(х-2)²
; (5х)² = 100; 10) - (3-х) + 2(х-3) = 3

Answer 1

(3х+2)(3х-2)-32=9(х-2)^2
9х^2-4-32=9х^2-36х+36
-4-32=-36х+36
-36=-36х+36
36х=36+36
36х=72
Х=2