How do you simplify 5/(8+square root of 7)?
Since the equation
Instead, you must multiply by the conjugate of
Multiplying by the conjugate,
Since the denominator consists of two binomials, you must FOIL it. The 5 on the numerator can simply be distributed. If you are unsure as to what FOILing is, reference this: https://en.wikipedia.org/wiki/FOIL_method
After the previous step, you are left with:
Which cannot be simplified any further.