verify (5/4x^2-3/2xy)(x+y+y^2) if x=2 & y=2
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Answer:
-1/2
Step-by-step explanation:
(5/4×2^2- 3/2×2×2)(2+2+2^2)
= (5/16 - 3/8) ×8
= 5-6/16 ×8
= -1/2
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