How do you simplify $(6.9 a^{2} - 2.3 b^{2} + 2 a b) + (3.1 a - 2.5 b^{2} + b)$ $(6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)$ ?

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How do you simplify $(6.9 a^{2} - 2.3 b^{2} + 2 a b) + (3.1 a - 2.5 b^{2} + b)$ $(6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)$ ?

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Answer 1 · 2018-04-26T04:44:18

$6.9 a^{2} - 2.3 b^{2} + 2 a b + 3.1 a - 2.56 b^{2} + b$ $6.9a^2 - 2.3b^2 + 2ab +3.1a - 2.56b^2 +b$
$6.9 a^{2} - 4.86 b^{2} + 2 a b + 3.1 a + b$ $6.9a^2 - 4.86b^2 + 2ab + 3.1a +b$

Explanation:

First distribute plus sign, getting rid of parentheses.
Perform operation(s) on like terms only.
Voila!

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How do you simplify $(6.9 a^{2} - 2.3 b^{2} + 2 a b) + (3.1 a - 2.5 b^{2} + b)$ $(6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)$ ?

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How do you simplify $(6.9 a^{2} - 2.3 b^{2} + 2 a b) + (3.1 a - 2.5 b^{2} + b)$ $(6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)$ ?