How do you find the product $2ab(7a^4b^2+a^5b-2a)$ ?

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Answer 1 · 2017-08-22T07:09:06

See explanation.

To find the product you have to multiply each term in the brackets by $2ab$ :

$2abxx(7a^4b^2+a^5b-2a)=$

$=2abxx7a^4b+2abxxa^5b+2abxx(-2a)=$

$=14a^5b^2+2a^6b^2+(-4a^2b)=$

$=14a^5b^2+2a^6b^2-4a^2b$

How do you find the product 2ab(7a^4b^2+a^5b-2a)2ab(7a^4b^2+a^5b-2a)?