Question

please help for this question ​

Answer 1

Answer:

a²-7ab+7b²-2

Step-by-step explanation:

We have to find out the difference between these two equations.

(3a² - 5ab +7b² +3) - (2a²+ 2ab+5)

=> 3a²-2a²-5ab-2ab+7b²+3-5

=> a²- 7ab +7b²-2

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Answer 2

Answer:

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

Step-by-step explanation:

subtract

$(3a {}^{2} - 5ab + 7b {}^{2} + 3) - (2a {}^{2} + 2ab + 5)$