Question

the product of (3x + 7y)2

Answer 1

\[\Large (3x+7y)*2\]

??

Answer 2

two is multiplied or in exponent ???

Answer 3

exponent

Answer 4

ok

Answer 5

using formula
\[\Large (a+b)^2=a^2+b^2+2ab\]
here a=3x and b=7y
\[\Large (3x+7y)^2=(3x)^2+(7y)^2+2(3x)(7y)\]

or simplifying

\[\Large =9x^2+49y^2+42xy\]

Answer 6

@BrianaChantel did you get it ?

Answer 7

Yea , Thanks

Answer 8

you welcome :)