What is (4+sqrt(2))(4+sqrt(2)) ?

The solution to (4+sqrt(2))(4+sqrt(2)) is 18+8sqrt(2)

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simplify (4+sqrt(2))(4+sqrt(2))

simplify

(4 + 2) (4 + 2)

18 + 82

Decimal Notation

29.31370 \dots

Solution steps

(4 + 2) (4 + 2)

Apply exponent rule:

aa = a^{2}

(4 + 2) (4 + 2) = (4 + 2)^{2}

= (4 + 2)^{2}

Apply Perfect Square Formula:

(a + b)^{2} = a^{2} + 2 ab + b^{2}

(4 + 2)^{2} = 4^{2} + 2 \cdot 42 + (2)^{2}

= 4^{2} + 2 \cdot 42 + (2)^{2}

4^{2} + 2 \cdot 42 + (2)^{2} = 18 + 82

= 18 + 82

e^{3 x} e^{- 3 x}

(f \circ g)^{- 1} (x)

- 4 x^{3} (5 x^{2})

2 x + 2^{2}

x^{2} + 1

What is (4+sqrt(2))(4+sqrt(2)) ?
The solution to (4+sqrt(2))(4+sqrt(2)) is 18+8sqrt(2)