Using the order of operations, which operation should be performed first? 3(7+2^2)-5 A. 7+2
B 2^2
C. 3•7 and 3•2
D. 11-5

answer: about 22.67

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

d no solution

step-by-step explanation:

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