Math, asked by jhaa45075, 5 months ago

a² - 6(2a² - b²) - 5(a² - 2a² - 5b²)

Answers

Answered by bhumi3350

1

Answer:

a²-6(2a²-b²)-5(a²-2a²-5b²)

=a²-12a²+6b²-5a²+10a²-25b²

=(1-12-5+10)a²-(6-25)b²

= -6a² - 19b²

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