In having trouble can someone help me please

(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 value of x that will make l ll m

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36