What is 8(3)^2+58(3)-21 ?

The solution to 8(3)^2+58(3)-21 is 225

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8(3)^2+58(3)-21

8 (3)^{2} + 58 (3) - 21

225

Solution steps

8 (3)^{2} + 58 (3) - 21

Follow the PEMDAS order of operations

Calculate exponents

(3)^{2} : 9

(3)^{2}

(3)^{2} = 9

= 9

= 8 \cdot 9 + 58 (3) - 21

Multiply and divide (left to right)

8 \cdot 9 : 72

8 \cdot 9

8 \cdot 9 = 72

= 72

= 72 + 58 (3) - 21

Multiply and divide (left to right)

58 (3) : 174

58 (3)

Apply rule:

(a) = a

(3) = 3

= 58 \cdot 3

Multiply the numbers:

58 \cdot 3 = 174

= 174

= 72 + 174 - 21

Add and subtract (left to right)

72 + 174 - 21 : 225

72 + 174 - 21

72 + 174 = 246

= 246 - 21

246 - 21 = 225

= 225

= 225

(2 \times + 5) (4 \times (- 25))

7^{2} \times 8^{2}

- 18 + [- 4 - (- 5 + 8) - (- 3 + 2)]

3 (1)^{2} - 4

3 (1)^{2} - 9