Multiply.(3x + 7)2

Solve the equation.x2 + 2x = 63

Multiply.(7x + 5y)(7x – 5y)

Graph the function by finding x- and y-intercepts.x – 3y = -9

Determine the coordinates of the indicated point on the graph.Point A

Factor the polynomial completely.xy – 3yz + 7x – 21z

Find the indicated value.Find f(4) when f(x) = 2×2 + 8x.

Factor the polynomial completely.25×2 + 70x + 49

Find the indicated value.Find f(4) when f(x) = 6×2 + 2x.

Find the domain and the range of the relation. Then determine whether the relation is a function.{(-3, -7), (0, 5), (5, -4), (8, -1)}