SOLUTION: I worked the following problem and came up with -5. I'm not sure if I am right: (sqrt3 + 2 sqrt2)(sqrt3 - 2 sqrt2)

SOLUTION: I worked the following problem and came up with -5. I'm not sure if I am right: (sqrt3 + 2 sqrt2)(sqrt3 - 2 sqrt2)

Algebra.Com

Question 32911: I worked the following problem and came up with -5. I'm not sure if I am right:
(sqrt3 + 2 sqrt2)(sqrt3 - 2 sqrt2)
Answer by sarah_adam(201) (Show Source): You can put this solution on YOUR website!
You are right as the equation can be written as
according to the formula (a+b)(a-b) = (a^2 - b^2)
therfore upon solving you get 3 - 4*2 = 3 - 8 = - 5
RELATED QUESTIONS
SqRt5 - SqRt2 / SqRt3 - SqRt2 {{{(sqrt(5) - sqrt(2))/(sqrt(3) - sqrt(2))}}} This is... (answered by scianci)

I am not sure which answer is right Express in simplest radical form text said to not use (answered by stanbon)

I need help please. Simplify 5[sqrt2]/2-i by rationalizing the denominator. I... (answered by Alan3354)

Find the exact value of the trigonometric function at the given real number. A... (answered by Alan3354)

How would I simplify this problem to get the product? (3sqrt3 - sqrt2)( sqrt2 +... (answered by jim_thompson5910)

I need help to simplify the products and I've exact answers. (3sqrt3 - sqrt2)(sqrt2 + (answered by checkley77)

please help me solve this equation please , i am desperate... (answered by Alan3354)

if {{{a=sqrt3-sqrt2/sqrt3+sqrt2 & b=sqrt3+sqrt2/sqrt3-sqrt2}}} "find the value of... (answered by tommyt3rd)

I have an equilateral triangle with 4(pi) as each of its sides. Using the formula for... (answered by josgarithmetic)