Question

(2a + 2b + c)(a + b - c2)​

Answer 1

Answer:

=>−2ac^2−2bc^2−c^3+2a^2+4ab+ac+2b^2+bc

Step-by-step explanation:

(2a+2b+c)(a+b−c^2)

=> (2a+2b+c)(a+b+−c^2)

==(2a)(a)+(2a)(b)+(2a)(−c^2)+(2b)(a)+(2b)(b)+(2b)(−c^2)+(c)(a)+(c)(b)+(c)(−c^2)

=>2a^2+2ab−2ac^2+2ab+2b^2−2bc^2+ac+bc−c3

=>−2ac^2−2bc^2−c^3+2a^2+4ab+ac+2b^2+bc

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Answer 2

Step-by-step explanation:

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