Question

Substract : 3 a² - 5a+6b - 8 from 2a² + 4a - 7ab +1
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Answer 1

Answer:

- a^2 + 9a +6b - 7ab + 9

Step-by-step

2a² +4a –7ab +1

3a² –5a +6b –8

-______________

-a^2 + 9a +6b - 7ab + 9

Answer 2

Right answer is

5a4-9a2 +6b - 9-7ab

is your answer