SOLUTION: (4a + x)(a - x)
Algebra.Com
Question 695139: (4a + x)(a - x)
Answer by mathbird(71) (Show Source): You can put this solution on YOUR website!
(4a + x)(a - x)
4a(a - x)+x(a - x)
4a^2-4ax+xa-x^2
4a^2-3ax-x^2
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