How do you multiply #(8v + 7) ( 7v + 1)#?

1 Answer
smendyka
Nov 18, 2016

#56v^2 + 57v + 7#

Explanation:

Step 1) Cross multiple the terms in parenthesis:

#(8v * 7v) + (8v*1) + (7v*7) + (7*1) =>#

#56v^2 + 8v + 49v + 7#

Step 2) Combine like terms:

#56v^2 + (8 + 49)v + 7 =>#

#56v^2 + 57v + 7#

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