The solution to -9^2+9(-9) is -162

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-9^2+9(-9)

Solution

- 9^{2} + 9 (- 9)

- 162

Solution steps

- 9^{2} + 9 (- 9)

Follow the PEMDAS order of operations

Calculate exponents

9^{2} : 81

9^{2}

9^{2} = 81

= 81

= - 81 + 9 (- 9)

Multiply and divide (left to right)

9 (- 9) : - 81

9 (- 9)

Apply rule

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

9 (- 9) = - 9 \cdot 9 = - 81

= - 81

= - 81 - 81

Add and subtract (left to right)

- 81 - 81 : - 162

- 81 - 81

- 81 - 81 = - 162

= - 162

= - 162

\frac{1 - ( \frac{1}{2} )}{1 + ( \frac{1}{2} )}

48 \div (20 - 24) + 3 \times (- 4 - 5) - 12 \div (- 6)

1 - 2 + 5

\frac{( 2 ) ^{3} + 2 ( 2 ) ^{2} - 5 ( 2 ) + 6}{2 - 2}

(- 6^{2}) + 9 - (1/3) + (2/4 - 6)