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

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

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

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

225

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(3)^{2} : 9

(3)^{2}

(3)^{2} = 9

= 9

= 58 (3) + 8 \cdot 9 - 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

= 174 + 8 \cdot 9 - 21

Multiply and divide (left to right)

8 \cdot 9 : 72

8 \cdot 9

8 \cdot 9 = 72

= 72

= 174 + 72 - 21

Add and subtract (left to right)

174 + 72 - 21 : 225

174 + 72 - 21

174 + 72 = 246

= 246 - 21

246 - 21 = 225

= 225

= 225

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