How do you evaluate #(4x + 5y ) ( 3x + 3y )#?

1 Answer
Morgan S.
Nov 29, 2017

#12x^2+27xy+15y^2#

Explanation:

Rather than evaluating this expression, we can simplify it.

FOIL the terms:

#(4x+5y)(3x+3y)#

#=(4x\cdot 3x)+(4x\cdot 3y)+(5y\cdot 3x)+(5y\cdot 3y)#

#=12x^2+12xy+15xy+15y^2#

#=12x^2+27xy+15y^2#

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