Question

Simplify:
Please see the attachment.

Answer 1

Explanation:

`(9√(x) -6)/(√(x) +7) * (√(x) -7)/(√(x) -7) \\=(9(x)-63√(x) -6√(x) +42)/((√(x) )^2-7^2) \\=(9x-69√(x) +42)/(x-49)`