(x-9)(4x+3)-(x-9)(3x-1)=0

Question

(x-9)(4x+3)-(x-9)(3x-1)=0

Answer 1

(х-9)(4х+3-3х+1)=0
х-9=0
х=9

или

х+4=0
х=-4

Ответ:-4; 9

Answer 2

(X-9)(4x+3-3x+1)=0
(X-9)(x+4)=0
X1=9
X2=-4