What is (-1+4sqrt(2))*2 ?

The solution to (-1+4sqrt(2))*2 is -2+8sqrt(2)

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simplify (-1+4sqrt(2))*2

simplify

(- 1 + 42) \cdot 2

- 2 + 82

Decimal Notation

9.31370 \dots

Solution steps

(- 1 + 42) \cdot 2

= 2 (- 1 + 42)

Apply the distributive law:

a (b + c) = ab + a c

2 (- 1 + 42) = 2 (- 1) + 2 \cdot 42

= 2 (- 1) + 2 \cdot 42

2 (- 1) + 2 \cdot 42 = - 2 + 82

= - 2 + 82

(x^{4} - 2 x^{2} + 1) - (x - 2 x = 1)

\frac{1}{( ( S + 1 ) ( S + 2 ) )}

1 - e^{x} \cdot (1 + e^{x})

- \frac{2 ( 1 + 13 )}{3}

m u t i pl y (r - 9) (r - 9)