Hey guys please help with both

Mathematics

1 answer:

podryga [215]3 years ago

5 0

1/2 *(a+b)-(a-b)²
a=18, b=14
1/2 *(18+14)-(18-14)²=1/2 *(18+14)-(18-14)²= 1/2*32-4²=16-16=0
answer D

answer B
2 factors have 2 terms: (x+4) and (y+4)

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