Simplify this polynomial identity 5(3+6)+2(7+3)

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Find the equation using the point (4,8)