(5a 3b+c)^2=(5a)^2+( 3b)^2+c^2 2(5a)(3b) 2(3b)(c)+2(5a)(c) #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #16 ...

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Multiplication of Monomials

Expand: 5a-3...

Question

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

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Solution

$(5 a - 3 b + c)^{2} = (5 a)^{2} + (- 3 b)^{2} + c^{2} - 2 (5 a) (3 b) - 2 (3 b) (c) + 2 (5 a) (c)$
$= 25 a^{2} + 9 b^{2} + c^{2} - 30 a b - 6 b c + 10 a c$

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