jenny508
Evaluate. 3(5-7)^2-6(3)
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jacobishot
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204
jenny508
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How u get the answer
jacobishot
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PEMDAS
jacobishot
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first I squared (5-7) then multiplyed that by 3 then i multiplied -6 and 3 then i added and subtracted the rest
jenny508
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Oh thankssss!!
robtobey
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The answer is -6.
3 (5 - 7)^2 - 6 (3)
3(-2)^2-6(3)
3 (4) - 6 (3)
12 - 18
-6
jacobishot
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@robtobey is right sorry @jenny508
jenny508
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thanks @robtobey
jenny508
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@ jacobishot its okay!
robtobey
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Wolfram Alpha agrees with -6
Refer to a screen capture where the problem expression is sent, in toto, to WA for a solution. The current versions of Mathematica have a direct connection to WA.