Help solve this question! I have no idea how to do! :( FYI, ^2 means square
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(2x-1)^2 = x*(3x-5) -(x-4)*(x+4) . . . 4x^2 -4x +1=3x^2 -5x -(x^2 -16) . . . (4x^2 -3x^2)-4x+1=5x -x^2+16 . . . (4x^2 -3x^2 +x^2) +(-4x -5x)=15 . . . 2x^2 -9x -15=0 (x-5.7943617)(x+1.2943617)=0
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