The factors are (x + 3) and (x - 8).
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x2+5x-24=0(x+8)(x-3)=0x=-8 x=3
x2-5x-36 = (x-9(x+4) when factored
x - 3
x2 - 5x - 66 is a quadratic expression that factors out to (x - 11)(x + 6)
x2 - 5x - 6 = x2 - 6x + x - 6 = x(x - 6) + 1(x - 6) = (x - 6)(x + 1)