What is 3(5)^2-30(5)+72 ?

The solution to 3(5)^2-30(5)+72 is -3

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3(5)^2-30(5)+72

3 (5)^{2} - 30 (5) + 72

- 3

Solution steps

3 (5)^{2} - 30 (5) + 72

Follow the PEMDAS order of operations

Calculate exponents

(5)^{2} : 25

(5)^{2}

(5)^{2} = 25

= 25

= 3 \cdot 25 - 30 (5) + 72

Multiply and divide (left to right)

3 \cdot 25 : 75

3 \cdot 25

3 \cdot 25 = 75

= 75

= 75 - 30 (5) + 72

Multiply and divide (left to right)

30 (5) : 150

30 (5)

Apply rule:

(a) = a

(5) = 5

= 30 \cdot 5

Multiply the numbers:

30 \cdot 5 = 150

= 150

= 75 - 150 + 72

Add and subtract (left to right)

75 - 150 + 72 : - 3

75 - 150 + 72

75 - 150 = - 75

= - 75 + 72

- 75 + 72 = - 3

= - 3

= - 3

5 - 1 + 9

6 (- 1)^{2}

27 - (13 - 4 (14 - 9))

(- 1 \frac{1}{3}) \div (1 - \frac{1}{5})

12 - [2 + (- 4 - 3) - (- 4 + 2)] + 4