What is ((3pi}{10}+4)-3(\frac{2pi)/5) ?

The solution to ((3pi}{10}+4)-3(\frac{2pi)/5) is -(9pi)/(10)+4

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simplify ((3pi}{10}+4)-3(\frac{2pi)/5)

simplify

(\frac{3 π}{10} + 4) - 3 (\frac{2 π}{5})

- \frac{9 π}{10} + 4

Decimal Notation

1.17256 \dots

Solution steps

(\frac{3 π}{10} + 4) - 3 (\frac{2 π}{5})

Remove parentheses:

(a) = a

= \frac{3 π}{10} + 4 - 3 \cdot \frac{2 π}{5}

3 \cdot \frac{2 π}{5} = \frac{6 π}{5}

= \frac{3 π}{10} + 4 - \frac{6 π}{5}

Group like terms

= - \frac{6 π}{5} + \frac{3 π}{10} + 4

Combine the fractions

- \frac{6 π}{5} + \frac{3 π}{10} : - \frac{9 π}{10}

= - \frac{9 π}{10} + 4

2 (x - 1) + 5 = 6 - (2 x + 2)

x^{3} - 2 x^{2} - 23 x + 60

3 ∣ x - 3 ∣ = 18

2 π + \frac{π}{4}

(2 x + 7) = 0

What is ((3pi}{10}+4)-3(\frac{2pi)/5) ?
The solution to ((3pi}{10}+4)-3(\frac{2pi)/5) is -(9pi)/(10)+4