What is sqrt(7)(sqrt(7)+xsqrt(21)) ?

The solution to sqrt(7)(sqrt(7)+xsqrt(21)) is 7+7sqrt(3)x

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simplify sqrt(7)(sqrt(7)+xsqrt(21))

simplify

7 (7 + x 21)

7 + 73 x

Solution steps

7 (7 + x 21)

Apply the distributive law:

a (b + c) = ab + a c

7 (7 + x 21) = 77 + 7 x 21

= 77 + 7 x 21

Simplify

77 + 7 x 21 : 7 + 73 x

= 7 + 73 x

(x^{\frac{4}{3}} - 4)^{2}

(\frac{x}{4} + \frac{2}{3}) \times (\frac{x}{4} - \frac{2}{3})

(2 + d t + d a)^{3}

\frac{( x + 4 ) ( x - 2 )}{( x + 3 ) ( x - 8 )}

\frac{( 3 x - 4 ) ( x + 1 )}{88}

What is sqrt(7)(sqrt(7)+xsqrt(21)) ?
The solution to sqrt(7)(sqrt(7)+xsqrt(21)) is 7+7sqrt(3)x