What is (15(15-69))/2 ?

The solution to (15(15-69))/2 is -405

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(15(15-69))/2

\frac{15 ( 15 - 69 )}{2}

- 405

Solution steps

\frac{15 ( 15 - 69 )}{2}

Solve

15 (15 - 69) : - 810

Follow the PEMDAS order of operations

Calculate within parentheses

(15 - 69) : - 54

15 - 69

15 - 69 = - 54

= - 54

= 15 (- 54)

Multiply and divide (left to right)

15 (- 54) : - 810

15 (- 54)

Apply rule

a \cdot (- b) = - a \cdot b

15 (- 54) = - 15 \cdot 54 = - 810

= - 810

= - 810

= \frac{- 810}{2}

Simplify

\frac{- 810}{2} : - 405

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{810}{2}

Divide the numbers:

\frac{810}{2} = 405

= - 405

= - 405

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