What is expand (2(45+2sqrt(15)))/(15) ?

The solution to expand (2(45+2sqrt(15)))/(15) is 6+4/(sqrt(15))

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expand (2(45+2sqrt(15)))/(15)

expand

\frac{2 ( 45 + 2 15 )}{15}

6 + \frac{4}{15}

Decimal Notation

7.03279 \dots

Solution steps

\frac{2 ( 45 + 2 15 )}{15}

Expand

2 (45 + 215) : 90 + 415

= \frac{90 + 4 15}{15}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{90 + 4 15}{15} = \frac{90}{15} + \frac{4 15}{15}

= \frac{90}{15} + \frac{4 15}{15}

Divide the numbers:

\frac{90}{15} = 6

= 6 + \frac{4 15}{15}

Cancel

\frac{4 15}{15} : \frac{4}{15}

= 6 + \frac{4}{15}

cos (π (n + 1))

\frac{( 6 x + 1 ) ( 9 x - 2 )}{2}

2 sin (x) (- sin (x) cos (x))

(7 - 3 x) (2 x + 2Δ x - 1)

\frac{3 ( c - x ^{3} ) ^{2} + 3 c + 6 x ^{3}}{( c - x ^{3} ) ^{2}}

What is expand (2(45+2sqrt(15)))/(15) ?
The solution to expand (2(45+2sqrt(15)))/(15) is 6+4/(sqrt(15))