8x
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8x2+6x-35 = (2x+5)(4x-7) when factored
(2x - 8)(-4x + 4) = -8x2 + 40x - 32
8x2-2x-3=0 (2x+1)(4x-3)=0 2x+1=0 or 4x-3=0 x=-1/2 or x=3/4
8x2-2x-15 = 0 (2x-3)(4x+5) = 0 x = 3/2 or x = -5/4
x = 37 4x - 7 = 141 4x - 7 + 7 = 141 + 7 4x = 148 x = 37