0
Anonymous
-2
Mara Denesik ∙
x2 + 4x = x(x + 4)
6
1
x2 + 6x = x*(x + 6)
38
X2 + 4xx(x + 4)=======
X(X2 - X)
1(x2-1)
12
4x-x2 = 2
x2-196 = (x-14)(x+14) when factored