How do you simplify $(3 x^{2} - 2) - (2 x^{2} - 6 x + 3)$ $(3x^2 − 2) − (2x^2 − 6x + 3)$ ?

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How do you simplify $(3 x^{2} - 2) - (2 x^{2} - 6 x + 3)$ $(3x^2 − 2) − (2x^2 − 6x + 3)$ ?

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Answer 1 · 2015-12-17T10:32:36

$x^{2} + 6 x - 5$ $x^2+6x-5$

Explanation:

You can simply sum and subtract the terms with the same power of $x$ $x$ : changing the sign of everything inside the second brackets, we have that the expression is

$3 x^{2} - 2 - 2 x^{2} + 6 x - 3$ $3x^2-2-2x^2+6x-3$

Rearrange it so that the exponents are in order:

$3 x^{2} - 2 x^{2} + 6 x - 2 - 3$ $3x^2-2x^2+6x-2-3$

Now you can sum the terms involving $x^{2}$ $x^2$ and the constants:

$x^{2} + 6 x - 5$ $x^2+6x-5$

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How do you simplify $(3 x^{2} - 2) - (2 x^{2} - 6 x + 3)$ $(3x^2 − 2) − (2x^2 − 6x + 3)$ ?

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How do you simplify (3x2−2)−(2x2−6x+3)(3x^2 − 2) − (2x^2 − 6x + 3)?

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How do you simplify $(3 x^{2} - 2) - (2 x^{2} - 6 x + 3)$ $(3x^2 − 2) − (2x^2 − 6x + 3)$ ?