Question

(5x-1)(x+3)-(x-5)(5x+1)=40

Answer 1

Answer:

-1/14

Step-by-step explanation:

[Opening the brackets] :

[5x2+15x-x-3] - [5x2+x-15x-5] = 0

5x2+14x-3 - [5x2-14x-5] = 0

5x2+14x-3-5x2+14x+5 = 0

28x+2 = 0

28x = -2

x = -2/28

x= -1/14