Question

Simplify the expression 5√2+7√18?

Answer 1

`5\sqrt2+7√(18)\\\ \\5\sqrt2+7√(9\cdot2)\\\ \\5\sqrt2+7\sqrt9\sqrt2}\\\ \\5\sqrt2+7\cdot3\sqrt2\\\ \\5\sqrt2+21\sqrt2\\\ \\(5 + 21)\sqrt2\\\ \\ \boxed{26\sqrt2}`

Answer 2

Hello, To simplify this expression:

5√2+7√18?

26√2

I hope this is the correct answer.

If the explanation is needed, think of square roots as the opposite of division or multiplication. Though complex as it sounds, in very much they are similar. for instance, if you had 4^2, that would be the opposite of any given square roots.