h) (-a/2 + c/2) (-a/2 - c/2)
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Answer: a^2/4 -c^2/4 or a^2(1/4)+c^2(-1/4)
Step-by-step explanation:
= -a/2(-a/2-c/2)+c/2(-a/2-c/2)
= a^2/4 + ac/4 -ac/4 - c^2/4
= a^2/4 -c^2/4 or a^2(1/4)+c^2(-1/4)
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