rachaelbrown02 rachaelbrown02

29-01-2018
Mathematics

contestada

factor x^2-10x+25,please show work

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altavistard altavistard

29-01-2018

This is relatively easy because that 25 is a perfect square, whose (square) roots are 5 and -5. x^2-10x+25 = (x - 5)(x - 5). Note how (-5)(-5) = +25, and how -5x - 5x = -10x.

The roots are { (x-5), (x-5) }.

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