What is #11^2 - 6 * 11 + 5 * 11#?

2 Answers

Answer:

#11^2−6⋅11+5⋅11 = 110#

Explanation:

#11^2 = 121#

#6⋅11 = 66#

#5⋅11 = 55#

#121 − 66 = 55#

#55 + 55 = 110#

Jun 14, 2016

We can immediately pull out a factor of #11#:

#11^2-6*11+5*11=11(11-6+5)#

Since #11-6+5=10#:

#=11(10)=110#