## Elementary Algebra

$x = -5, 4$
Expand and simplify to solve for $x$ $x(x+5) -4(x+5) = 0$ $x^{2} + 5x - 4x - 20 = 0$ $x^{2}+x-20$ $(x-4)(x+5) = 0$ $x = 4, -5$