Question

How do you solve `\frac{x^{2}}{5} - 11= - 4`?

Answer 1

`x=+-sqrt35`

Explanation:

`x^2/5-11=-4`; mulitply thru by `5`;

`x^2-55=-20`; add `20` to each side;

`x^2-35=0`

`x^2=35`

And thus `x=+-sqrt35`