How do you simplify #(5 + x)(3 - 2x) #?

1 Answer
Haunt
Nov 5, 2015

#-2x^2-7x+15#

Explanation:

To simplify to binomials you multiply each term from one set of parentheses by all the terms in the next. So...
#5*3 = 15#
#5*(-2x) = -10x#

#x*3 = 3x#
#x*(-2x) = -2x^2#

Then you combine all the like terms which in this case is #-10x# and #3x# leaving you with #-2x^2-7x+15# (normally you order by the greatest coefficient)

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