Question

subtract a²-2b²+3ab from 2a²- 5b² -2ab
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Answer 1

Answer:

-10ab -3a2 +7b2

Step-by-step explanation:

+3ab -2a2-2b2

-7ab-5a2+5b2

+ + -

-10ab-3a2+7b2

In substraction the signs are changed and then the are substracted

Answer 2

Step-by-step explanation:

10ab -3a2 +7b2

Step-by-step explanation:

+3ab -2a2-2b2

-7ab-5a2+5b2

+ + -

-10ab-3a2+7b2

In substraction the signs are changed and then the are substracted

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