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Let's calculate mentally :- 5a^2b - 2a...

Let's calculate mentally :-
`5a^2b - 2a^2b - 3a^2b+ 8a^2b`

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Calculate: 5a^2b-2a^2b-3a^2b+8a^2b

Let's multiply :- (-3a^2) xx (4a^2b) xx (-2)

Let's add : 2a^2b + 5b^2a + 7, 3a^2b - 2b^2a +6, 8a^2b - b^2a + 9

Let's resolve into factor:- 3(a + b)^2 - 2a - 2b - 8

Let's multiply :- 8a^2 (2a + 5b)

Let's find values of the following mentally:- 4a^2b^2c^2 × ? = 0