How do you simplify #9(2z+6)+(z+3)+3(10z+12)#?

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How do you simplify #9(2z+6)+(z+3)+3(10z+12)#?

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Answer 1 · 2018-03-06T18:12:30

#9(2z+6)+(z+3)+3(10z+12)=49z+93#

Explanation:

#9(2z+6)+(z+3)+3(10z+12)#
#=9xx2(z+3)+(z+3)+3xx2(5z+6)#
#=18(z+3)+(z+3)+6(5z+6)#
#=19(z+3)+6(5z+6)#
#=19z+19xx3+6xx5z+6xx6#
#=19z+57+30z+36#
#=19z+30z+57+36#
#9(2z+6)+(z+3)+3(10z+12)=49z+93#

Answer 2 · 2018-03-06T18:20:28

#49z+93#

Explanation:

Expand out the brackets
#18z+54 +z+3 +30z+36#
Put similar subjects together
#18z + z + 30z + 54 + 3 + 36#
Add together
#49z + 93#

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How do you simplify #9(2z+6)+(z+3)+3(10z+12)#?

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