Respostas

2014-05-21T22:21:47-03:00
√25ax² + √49b - √9ax²=
5x√a + 7√b - 3x√a=
8x√a + 7√b
2014-05-21T23:46:25-03:00
V25ax² + V49b - V9ax²5x√a +7√b -3x √a
5x√a -3x√a  +7√b
2x √a+7√b