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Zolol [24]
3 years ago
15

Expand (4x+0.9)^2. Thanks!:))

Mathematics
1 answer:
maxonik [38]3 years ago
5 0
(4x+0.9)^2=(4x)^2+2\cdot4x\cdot0.9+0.9^2=16x^2+7.2x+0.81
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