SOLUTION: 1.what is the answer to ( √2)(-6 √2+4)= 2.what is the answer to (7√9x6y)11= 3.what is the answer to (5√5-10√3)(2√5+4√3)=

Algebra ->  Square-cubic-other-roots -> SOLUTION: 1.what is the answer to ( √2)(-6 √2+4)= 2.what is the answer to (7√9x6y)11= 3.what is the answer to (5√5-10√3)(2√5+4√3)=       Log On


   

Question 461456: 1.what is the answer to ( √2)(-6 √2+4)=
2.what is the answer to (7√9x6y)11=
3.what is the answer to (5√5-10√3)(2√5+4√3)=




Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
1.what is the answer to
sqrt%282%29%28-6%2Asqrt%282%29%2B4%29
=-6sqrt%282%29%2Asqrt%282%29%2B4%2Asqrt%282%29
=-6%28sqrt%282%29%29%5E2%29%2B4%2Asqrt%282%29
=-6%2A2%2B4%2Asqrt%282%29
=-12%2B4%2A1.41
=-12%2B5.64
=-6.36

2.what is the answer to
7sqrt%289x6y%29%2A11
=77sqrt%283%5E2%2A6y%29
=77%2A3sqrt%286y%29
=231%2Asqrt%286%29sqrt%28y%29

3.what is the answer to
%285sqrt%285%29-10sqrt%283%29%29%282sqrt%285%29%2B4sqrt%283%29%29

=

=5%2A5%2A2%2A5%2B20sqrt%285%29sqrt%283%29-20sqrt%283%29sqrt%285%29-40%2A3

=250%2Bcross%2820sqrt%285%29sqrt%283%29%29-cross%2820sqrt%283%29sqrt%285%29%29-120
=130