Question

Evaluate:

(2a+b)(a-b)(3b+4a)​

Answer 1

Answer:

(3b+4a)(2a^2-ab-b^2)

Step-by-step explanation:

(2a+b)(a-b)(3b+4a)

[2a(a-b)+b(a-b)] (3b+4a)

[2a^2-2ab + ab-b^2] (3b+4a)

[2a^2 - ab - b^2] (3b+4a)

(3b+4a) [2a^2 -ab-b^2]

[3b(2a^2-ab-b^2)] [4a(2a^2-ab-b^2)]

[6a^2b-3ab^2-3b^3] [8a^3-4a^2b-4ab^2]

3b[2a^2-ab-b^2] 4a[2a^2-ab-b^2]

(3b+4a)(2a^2-ab-b^2)

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