Sum
solve the equation by factoring. check your answer by graphing.
1. x2 - 4x = 5
step 1 - write the equation in the form x2 + bx + c = 0.
pairs of
factors for
facton
c=
b =
step 2 - factor and solve the equation using the zero product property.
step 3 - graph the related function (x) = x2 + bx + c.
the related function is f(x) = _
f(x)
5
4
3 2
1
1
2
3
the solutions of the equation are x = __and x=__ really in need for