SOLUTION: simplify by combining like terms. question 32. ^63-2^28+5^7 I don't have the signs on my computer for square roots. it is square root of 63, square root of 28, and s

Question 44383: simplify by combining like terms.
question 32. ^63-2^28+5^7
I don't have the signs on my computer for square roots.
it is square root of 63, square root of 28, and square 7.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Okay, we can use sqrt for square root....so we have
sqrt(63) - 2*sqrt(28) + 5*sqrt(7) =
now we pull out the largest perfect squares from each and get
3*sqrt(7) - 4*sqrt(7) + 5*sqrt(7) =
4*sqrt(7)
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