SOLUTION: 3.) 4x2 + 20x + 5y +xy 4.) 48x2y + 20xz +12xy + 5z

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Question 122586: 3.) 4x2 + 20x + 5y +xy
4.) 48x2y + 20xz +12xy + 5z

Found 2 solutions by edjones, jim_thompson5910:
Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
4x^2 + 20x + 5y +xy
=4x^2+20x+xy+5y
=4x(x+5)+y(x+5)
=(4x+y)(x+5)
.
48x^2y + 20xz +12xy + 5z
48x^2y+12xy+20xz+5z
12xy(4x+1)+5x(4x+1)
(12xy+5x)(4x+1)
.
Ed

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
# 3

Start with the given expression

Switch the last two terms

Group like terms


Factor out the GCF out of the first group. Factor out the GCF out of the second group


Since we have the common term , we can combine like terms

So factors to








# 4



Start with the given expression

Group like terms


Factor out the GCF out of the first group. Factor out the GCF out of the second group


Since we have the common term , we can combine like terms

So factors to

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