Question

Please help with math question.

Answer 1

9514 1404 393

Answer:

C

Explanation:

Multiply numerator and denominator by the conjugate of the denominator.

`\displaystyle(7)/(-4-√(x))=(7(-4+√(x)))/((-4-√(x))(-4+√(x)))=(-28+7√(x))/(16-x)=\boxed{(7√(x)-28)/(16-x)}`