Was just wondering if that is correctly expanded:
2(4a-1)^2 = 32a^2-16a+2
2(4a-1)^2 = 32a^2-16a+2
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Yes
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2(4a-1)(4a-1)
2(16a^2-8a+1)
32a^2-16a+2 so yes
2(16a^2-8a+1)
32a^2-16a+2 so yes
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