If P-a2-b2-2 a b- Q-a2-4 b2-6 a b- R-b2-b- S-a2-4 a b and T-2 a2-b2-a b-a - Find P-Q-R-S-T-

nbsp;We have P + Q + R + S T = (a2 b2 + 2ab) + (a2 + 4b2 6ab) + (b2 + b) + (a2 4ab) ( 2a2 + b2 ab + a) nbsp; nbsp; nbsp; nbsp; nbsp; ...

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Addition of Algebraic Expressions

If P=a2-b2+2 ...

Question

If P = a² − b² + 2ab, Q = a² + 4b² − 6ab, R = b² + b, S = a² − 4ab and T = −2a² + b² − ab + a. Find P + Q + R + S − T.

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$(a + b + c) \times (a + b - c) =$

p^{2} + q^{2} - a^{2} - b^{2} + 2 p q + 2 a b + p + q - a + b

a + b + c = p

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a^{2} + b^{2} + c^{2}

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