Need math help with simplifying 4+3(8-3)^2

Mathematics
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Jan 3rd, 2016

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4+3(8-3)^2

This is how you go about it:


There is an ancient RULE abbreviated BODMAS which gives a guideline on how to work out such problems.

The B stands for BODMAS and tells us that we first work out what is inside the brackets. In our case we  get 8-3 first which gives 5. Rewriting it gives:

4+3(5)^2

Next we Raise the number in the Brackets to the given power, since the orexponent is part of the brackets, we evaluate it before we multiply:

we therefore get  5^2 which gives a 25

Our problem looks like this

4+3(25)

Continue with the brackets again and here we multiply 3 with 25 getting 75 on which we add 4 and our answer becomes .

79




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Jan 3rd, 2016

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