SOLUTION: Simply the expression: (3x+1)^2 + (2x-4)^2

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Question 180548: Simply the expression:
(3x+1)^2 + (2x-4)^2

Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
(3x+1)^2 + (2x-4)^2
Start by expanding both terms using FOIL:
.
= (9x^2+3x+3x+1) + (4x^2-8x-8x+16)
= (9x^2+6x+1) + (4x^2-16x+16)
.
Group like-terms:
= (9x^2+4x^2)+(6x-16x) + (1+16)
= (13x^2)+(-10x) + (17)
= 13x^2-10x+17


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