6.Given f(x) = x² + x and h(x) = 2x² + 2x - 18
find the values of x such that f(x) = h(-x)
7.Given p(x) = (x + 3)² and q(x) = x - 3
find the values of x such that p(2x) = q(-x) + 2
8.Given g(x) = √2x + 1 and h(x) = x - 1
find the values of x such that g(x + 1) = h(x) + 1
