How do you factor and solve #x^2 – 9x = -20#?
1 Answer
Aug 30, 2016
x = 5 & 4
Explanation:
or,
or, x (x - 4) - 5 (x - 4) = 0
or, (x - 4)(x - 5) = 0
or, x - 4 = 0, x - 5 = 0
or, x=4 & 5