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OpenStudy (anonymous):
Simplify (3√2 +√3)(√3 -√2)
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OpenStudy (raden):
hint : (a+b)(c-d) = ac-ad+bc-bd
OpenStudy (anonymous):
Can you help me with that I dont understand you!
OpenStudy (raden):
(3√2 +√3)(√3 -√2) first, 3√2*√3 = ...
OpenStudy (anonymous):
then what I got that
OpenStudy (raden):
it should be 3√2*√3 = 3*√(2*3) = 3√6 next, 3√2 *(-√2) = ...
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OpenStudy (anonymous):
which is?
OpenStudy (anonymous):
need help with that
OpenStudy (raden):
3√2 *(-√2) = -3*√4 = -3*2 = -6
OpenStudy (raden):
then, √3 * √3 = ...
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