What is 5a^2-3a+2-8a^2-5a+7 ?

The solution to 5a^2-3a+2-8a^2-5a+7 is -3a^2-8a+9

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simplify 5a^2-3a+2-8a^2-5a+7

simplify

5 a^{2} - 3 a + 2 - 8 a^{2} - 5 a + 7

- 3 a^{2} - 8 a + 9

Solution steps

5 a^{2} - 3 a + 2 - 8 a^{2} - 5 a + 7

Group like terms

= 5 a^{2} - 8 a^{2} - 3 a - 5 a + 2 + 7

Add similar elements:

5 a^{2} - 8 a^{2} = - 3 a^{2}

= - 3 a^{2} - 3 a - 5 a + 2 + 7

Add similar elements:

- 3 a - 5 a = - 8 a

= - 3 a^{2} - 8 a + 2 + 7

Add the numbers:

2 + 7 = 9

= - 3 a^{2} - 8 a + 9

- 4 + - 75 - 9 + - 27

\frac{6}{4} - \frac{4}{3}

\frac{x ^{3} - 3 x ^{2} + 2 x}{x ^{4} - 8 x}

10 - (- 2)

\frac{18 x ^{2} y + x ^{2} y - 45 x ^{3} y ^{5}}{9 x y}