SOLUTION: -4(3)+5[7-6(4)^2]

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Question 207260: -4(3)+5[7-6(4)^2]
Found 3 solutions by rfer, RAY100, Edwin McCravy:
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
-4(3)+5(7-6(4)^2)
-12+5(7-6(16))
-12+5(7-96)
-12+5(-89)
-12-445=-457
Answer by RAY100(1637)   (Show Source): You can put this solution on YOUR website!
-12 +5[7-6(16)]
-12 +5[7-96]
-12 +5[-89]
-12-445
-457
.
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!


-4(3)+5[7-6(4)^2]

Do in the parentheses first.
Then do the exponent in the parentheses.
Replace the (4)^2 by (16)
Copy everything else over:

-4(3)+5[7-6(16)]

Do in the parentheses first
again. Do the multiplication.
Replace the 6(16) by 96
Copy everything else over:

-4(3)+5[7-96]

Do in the parentheses first
again. Do the only thing left.
Replace the 7-96 with -89
Copy everything else over:

-4(3)+5[-89]

Now do multiplications left to right.
Replace the -4(3) by -12.
Copy everything else over:

-12+5[-89]

Do the remaining multiplication.
Replace the 5[-89] by (-445]

-12+(-445)

And finally 

-457

Edwin
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