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horrorfan [7]
3 years ago
15

I need help with this question please

Mathematics
2 answers:
kozerog [31]3 years ago
7 0
Well, I know that (a+b)-(a-b)2 equals to 784 but I don't know what to do with 1/2.
irinina [24]3 years ago
4 0
The answer is 0
Let me tell you why
first plug in the numbers
.5(18+14)-(18-14)^2
(9+7)-(4)^2
16-16
0
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The additive inverse of a number is that number with its sign changed.

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Mademuasel [1]

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