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deff fn [24]
3 years ago
7

I need to simplify this... (4a^3+7a^2b+6b^3) + (a^3+2a^2b+4b^3)

Mathematics
1 answer:
Andrews [41]3 years ago
3 0
(4a³ + 7a²b + 6b³) + (a³ + 2a²b + 4b³)

Get rid of the parenthesis.

4a³ + 7a²b + 6b³ + a³ + 2a²b + 4b²

Add like terms.

(4a³ + a³) + (7a²b + 2a²b) + (6b² + 4b²)

Simplify.

5a³ + 9a²b + 10b²

~Hope I helped!~

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3 years ago
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x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]

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To solve this equation you use the following properties:

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Thne, by using this propwerty in the equation (1) you obtain for x

log_{(\frac{1}{81})}(\frac{1}{81})^{\frac{x}{243}}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\\frac{x}{243}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]

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