SOLUTION: Please help me simplify this expression.
(3-2√7) (3+2√7)
FYI- The symbol “ √” is a radical expression (square root). I truly apprecaite any help you can giv
Algebra.Com
Question 204890: Please help me simplify this expression.
(3-2√7) (3+2√7)
FYI- The symbol “ √” is a radical expression (square root). I truly apprecaite any help you can give me on this.
Thanks !!!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Please help me simplify this expression.
(3-2√7) (3+2√7)
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Since the form is (a-b)(a+b) which has a product of a^2-b^2,
you have (3^1 - (2sqrt(7))^2) = 9 - 4*7 = 9-28 = -19
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Cheers,
Stan H.
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