How do you simplify $(x^{2} + 7 - 8 x) - (2 x^{2} - 8 x + 6)$ $(x^{2} + 7- 8x ) - ( 2x^{2} - 8x + 6)$ ?

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Answer 1 · 2016-10-01T22:20:05

just add the coefficients of the x with the same order...

$x^{2} - 2 x^{2} - 8 x + 8 x + 7 - 6$ $x^2 - 2x^2 -8x + 8x +7 -6$
$- x^{2} + 1$ $-x^2+1$

How do you simplify (x2+7−8x)−(2x2−8x+6)(x^{2} + 7- 8x ) - ( 2x^{2} - 8x + 6)?