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3 years ago

Subtracting polynomials

1 answer:

6 0

Answer:

$7a {}^{4} - 4a {}^{2}b {}^{2} + 6 \\ 3a {}^{4} + 2ab {}^{2} + 11 \\$

$4a {}^{4} - 2a - 5$

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Anastasy [175]

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Step-by-step explanation:

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maw [93]

Answer:

Answer is below

Step-by-step explanation:

Add 9 to both sides.

$6b-9+9=-87+9\\6b=-78$

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