Question

find the sum: 3a power 2 - ab,-6ab -7a power 2, -5a power 2 + 6ab​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$= > {3a}^{2} - ab - 6ab - {7a}^{2} - {5a}^{2} + 6ab \\ \\ = > ( {3a}^{2} - {7a}^{2} - {5a}^{2} ) + ( - ab - 6ab + 6ab) \\ \\ = > ( {3a}^{2} - {12a}^{2} ) + (6ab - 7ab) \\ \\ = > { - 9a}^{2} - ab \\ \\ = > - a(9a + b)$