How do you simplify $7 x^{2} - 6 + 3 x + 7 - 5 x^{2} + x$ $7x^2-6+3x+7-5x^2+x$ ?

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Answer 1 · 2016-12-14T18:02:17

$2 x^{2} + 4 x + 1$ $2x^2 +4x +1$

Simplification here means to combine like terms ;

$(7 x^{2} - 5 x^{2}) + (3 x + x) + (- 6 + 7)$ $(7x^2 -5x^2)+(3x+x) +(-6+7)$

= $2 x^{2} + 4 x + 1$ $2x^2 +4x +1$

How do you simplify 7x^2-6+3x+7-5x^2+x7x2−6+3x+7−5x2+x7x^2-6+3x+7-5x^2+x?