How do you solve 25x^2-30x=-925x2−30x=−9?
1 Answer
May 3, 2016
Explanation:
Once you put all of the terms of the quadratic on one side of the equation, then you get a perfect square trinomial:
Add
0 = 25x^2-30x+90=25x2−30x+9
=(5x)^2-2(5x)(3)+3^2=(5x)2−2(5x)(3)+32
=(5x-3)^2=(5x−3)2
So