3 years ago

(p^2-7pq-q^2)+(-3p^2-2pq+7q^2)

Mathematics

1 answer:

Alex Ar [27]3 years ago

6 0

Answer:

-2p² - 9pq + 6q²

Step-by-step explanation:

Add the like terms

p² + - 3p² = -2p²

-7pq + - 2pq = -9pq

-q² + 7q² = 6q²

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$\bf \stackrel{mixed}{2\frac{3}{4}}\implies \cfrac{2\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{11}{4}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\cfrac{11}{4}-\cfrac{2}{3}\implies \stackrel{\textit{our LCD will be 12}}{\cfrac{(3)11-(4)2}{12}}\implies \cfrac{33-8}{12}\implies \cfrac{25}{12}\implies 2\frac{1}{12}$

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4 years ago

(p^2-7pq-q^2)+(-3p^2-2pq+7q^2)​

(p^2-7pq-q^2)+(-3p^2-2pq+7q^2)