Question

7(x-4)´2-3(x+5)´2=4(x+1)(x-1)-2

Answer 1

Explicación paso a paso:

7 (x - 4 ) 2 - 3 (x + 5 ) 2 = 4 ( x -1 ) - 2

7x - 28 '2 -3x - 15 '2 = 4x - 4 - 2

7x - 28 '2 -3x - 15 ' 2 = 4x - 4 - 2

7x - 3x - 4x = - 4 - 2 + 28 + 15 - 2

0x = 35

x = 35.