Simplify by combining like radical terms, if possible. Assume that all variables and?

0 ⤊

radicands represent positive real numbers.

sqrt(5a) + sqrt(45a^3)

2007-10-19 09:55:24 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

sqrt(45a^3) = sqrt(9*a^2*5a)=3asqrt(5a)

sqrt(5a) + 3a sqrt(5a) = (3a+1) sqrt(5a)

2007-10-19 10:02:44 · answer #1 · answered by norman 7 · 0⤊ 0⤋

sqrt(5a) + sqrt(45a^3)

sqrt(5a) + sqrt[9a^2(5a)]

sqrt(5a) + 3asqrt(5a)

sqrt(5a)[1 + 3a]

2007-10-19 17:12:41 · answer #2 · answered by kindricko 7 · 0⤊ 0⤋