Question:
Subtract the sum of (a²+ 5ab+b²) and
(2a²-4ab+5b²) from the sum of
( 5a² - 7ab+4ab²) and (7a²-2ab+3b²)
Answers
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Step-by-step explanation:
the sum of (a²+ 5ab+b²) and (2a²-4ab+5b²)
a²+5ab+b²+2a²-4ab+5b²
3a²+ab+6b²
the sum of ( 5a² - 7ab+4ab²) and (7a²-2ab+3b²)
5a²-7ab+4ab²+7a²-2ab+3b²
=12a²-9ab+4ab²+3b²
Question:
Subtract the sum of (a²+ 5ab+b²) and
(2a²-4ab+5b²) from the sum of
( 5a² - 7ab+4ab²) and (7a²-2ab+3b²)
=12a²-9ab+4ab²+3b²-(3a²+ab+6b²)
=12a²-9ab+4ab²+3b²-3a²-ab-6b²
=9a²-10ab+4ab²-3b²
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