Find the sum (5a { }^(2) +7ab - 3b {}^(2) ) + (3a {}^(2) - ab - 6b {}^(2)) possible answers: A: 2a {}^(2) + 8ab + 3b {}^(2) B: 8a {}^(2) + 7ab - 3b {}^(2) C: 8a {}^(2) + 6ab - 9b {}^(2) D: 12a {}^(2) +

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asked Apr 14, 2021 85.3k views

3 votes

Find the sum

$(5a { }^(2) +7ab - 3b {}^(2) ) + (3a {}^(2) - ab - 6b {}^(2))$

possible answers:
A:

$2a {}^(2) + 8ab + 3b {}^(2)$
B:

$8a {}^(2) + 7ab - 3b {}^(2)$
C:

$8a {}^(2) + 6ab - 9b {}^(2)$
D:

$12a {}^(2) + 2ab - 9b {}^(2)$

Mathematics
high-school

Darwin asked

by Darwin

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1 Answer

1 vote

C
Let me know if it’s right!!

Jason Boyd answered Apr 18, 2021

by Jason Boyd

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