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Factor. x2−10x−11
Choices
(x−11)(x+1)
(x+11)(x+1)
(x+11)(x−1)
(x−11)(x−1)


Sagot :

Answer is (x-11)(x+1)
Why? Let x = 2 (or any number)
(2)*2-10*(2)-11 = -27

Take (x-11)(x+1)
and let x =2
((2)-11)((2)+1) it will equal = -27 as well