Solve for x;(x+1)(6-x)+(x-8)(x+12)=0
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( x+1 )( 6-x )+( x-8 )( x+12 ) =0
6x -x²+5-x + x²+12x-8x-96 = 0
5x + 5 + 4x - 96 = 0
9x - 91 = 0
9x = 91
x = 10.11
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