What is 2sqrt(8)+sqrt(8) ?

The solution to 2sqrt(8)+sqrt(8) is 6sqrt(2)

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simplify 2sqrt(8)+sqrt(8)

simplify

28 + 8

62

Decimal Notation

8.48528 \dots

Solution steps

28 + 8

Add similar elements:

28 + 8 = 38

= 38

Prime factorization of

8 : 2^{3}

= 3 2^{3}

Apply exponent rule:

a^{b + c} = a^{b} \cdot a^{c}

2^{3} = 2^{2} \cdot 2

= 3 2^{2} \cdot 2

Apply radical rule:

ab = a b, a \geq 0, b \geq 0

2^{2} \cdot 2 = 2^{2} 2

= 3 2^{2} 2

Apply radical rule:

a^{2} = a, a \geq 0

2^{2} = 2

= 3 \cdot 22

Multiply the numbers:

3 \cdot 2 = 6

= 62

\frac{3 ( a - b )}{9} + \frac{4}{9} b

\frac{x}{x + 1} + \frac{1}{x}

- \frac{108}{63}

(5 p^{3}) (- m^{8} p^{2})

2 x + 8 x