(3x-1)(2x+7)-(x+1)(6x-5)=7 плииииииз

Question

(3x-1)(2x+7)-(x+1)(6x-5)=7 плииииииз

Answer 1

6х^2 +21x-2x-7-6x^2+5x-6x+5=7
21x-2x+5x-06x=7+7-5
18x=9
x=9/18
x=1/2;0,5

Comments

спс

Answer 2

(3x-1)(2x+7)-(x+1)(6x-5)=7 6х2 + 21х – 2х – 7 -6х2+ 5х – 6х + 5 = 7 18х -9 =0 Х=9/18 Х=0,5