Question

expansion
(5a3b + c)²​

Answer 1

Answer:

(5a+3b+c)²=25a²+9b²+c²+30ab+6bc+10ac

Step-by-step explanation:

(5a+3b+c)²= (5a)²+(3b)²+c²+2(5a)(3b)+2(3b)(c)+2(5a)(c). {(a+b+c)²=a+b²+c²+2ab+2bc+2ac}

=25a²+9b²+c²+30ab+6bc+10ac

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