Question

(X-7)(x - 8) = (x - 5)(x-4)​

Answer 1

Answer:

x=6

Step-by-step explanation:

(x-7)(x-8)=(x-5)(x-4)

x^2-8x-7x+56=x^2-4x-5x+20

x^2-15x+56=x^2-9x+20

x^2-15x+56-x^2+9x-20=0

(x^2-x^2)+(-15x+9x)+(56-20)=0

0+(-6x)+(36)=0

-6x+36=0

36=6x

x=36/6

x=6

Answer 2

Answer:

Your answer is 6

Step-by-step explanation:

You can check out also...

6-7×6-8=6-5×6-4

-1×-2=1×2

3=3

Hence verified, LHS=RHS