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stepladder [879]
3 years ago
10

1/2 (a+b)-(a-b)2 what is the vule of the expression when a=18 and b=14

Mathematics
1 answer:
kirill115 [55]3 years ago
4 0

when \: a = 18 \: and \: b = 14 \\  \frac{1}{2} (18 + 14) - (18 - 14) ^{2}  \\  = 16 - ( {4}^{2} ) \\  = 16 - 16 \\  = 0
Hope this helps.
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