-x2 - 11x + 26
= -x2 - 13x + 2x + 26
= (2x - x2) + (26 - 13x)
= x(2 - x) + 13(2 - x)
= (2 - x)(x + 13)
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(-4x + 3)(x - 2)Apex :)!!
Divide all terms by 4:- x2+7x+12 = (x+3)(x+4) when factored
(X + 2)(X + 4) Factored
3x3 - 24x2 + 45x = 3x*(x2 - 8x + 15) = 3x*(x - 3)*(x - 5)
3x3-18x2+24x=3x(x2-6x+8)=3x(x-4)(x-2)