math help!!?

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the square root of 125 minus the sqaure root of 20 with and i term in the answer..
thanks in advance

2006-10-03 13:02:42 · 2 answers · asked by feenz 1 in Education & Reference ➔ Homework Help

(125)^1/2 - (20)^1/2 = 5*(5)^1/2 - 2*(5)^1/2 = 3*(5)^1/2 = square root of 45. (ANSWER)

2006-10-03 13:13:24 · answer #1 · answered by nnmaurya 2 · 0⤊ 0⤋

5sqrt5 - 2sqrt5 = 3sqrt5 ...no "i" term in this answer

2006-10-03 20:07:18 · answer #2 · answered by MollyMAM 6 · 0⤊ 0⤋