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