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Let's add : 2a^2b + 5b^2a + 7, 3a^2b -...

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

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Let's add : 6a^2 + 7a + 3, 9a^2 - 2a + 7, 4a^2 - 2a +9

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

Let's simplify:- a^2(b^2 - c^2) + b^2 (c^2 - a^2) + c^2 (a^2 - b^2)

Let's apply, (a+b)^2 + (a-b)^2 = 2(a^2 + b^2) or (a+b)^2-(a -b)^2 =4ab or ab = (frac(a+b)(2))^2 - (frac(a-b)(2))^2 to find the following. Let's express 8x^2 + 50y^2 as the sum of two squares.

Let's apply, (a+b)^2 + (a-b)^2 = 2(a^2 + b^2) or (a+b)^2-(a -b)^2 =4ab or ab = (frac(a+b)(2))^2 - (frac(a-b)(2))^2 to find the following. Let's express 36 as the difference of two squares.

Let's apply, (a+b)^2 +( a-b)^2 = 2(a^2 + b^2) or (a+b)^2-(a -b)^2 =4ab or ab = (frac(a+b)(2))^2 - (frac(a-b)(2))^2 to find the following. Let's express 44 as the difference of two squres.

Let's apply, (a+b)^2 + (a-b)^2 = 2(a^2 + b^2) or (a+b)^2-(a -b)^2 =4ab or ab = (frac(a+b)(2))^2 - (frac(a-b)(2))^2 to find the following Let's express x as the difference of two squares.

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

Let's resolve into factor:- 6(a + b)^2 + 5(a^2 - b^2)-6(a-b )^2