SOLUTION: solve the equation by factoring 7x^2-20x=3

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Question 649571: solve the equation by factoring
7x^2-20x=3
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

7x%5E2-20x=3.....replace -20x with -21x%2Bx
7x%5E2-21x%2Bx-3=0.......group
%287x%5E2-21x%29%2B%28x-3%29=0
7x%28x-3%29%2B%28x-3%29=0
%28x-3%29%287x%2B1%29=0