Q4 Simplify.

(7x * 11x) - (2x * 30)

To simplify the expression (7x * 11x) - (2x * 30), we can first simplify the multiplications:

(7x * 11x) - (2x * 30)
77x^2 - 60x

So the simplified expression is 77x^2 - 60x.