How do you simplify #(8+sqrt4)((-2+sqrt4)#?

2 Answers
Jun 25, 2018

Answer:

#= 0, -24#

Explanation:

#(8 + sqrt4 ) * (-2 + sqrt4)#

#=> -16 - 2sqrt4 + 8 sqrt4 + 4, " removing brackets and multiplying"#

#=> 6sqrt 4 - 12 = +- 12 - 12 = 0, -24#

Jun 25, 2018

Answer:

#-12+6sqrt4#

Explanation:

1.Multiply

#8*-2+8*sqrt4+(-2)*sqrt4+(sqrt4)^2#

Simplify

#-16+4+8sqrt(4)-2sqrt(4)#

Collect like terms

#-12+6sqrt4#

#-12+-12#

#0,-24#