dbn4everloved8
19.10.2021 •
Mathematics
Need help on this question, The expression (2x+1)^2 -2(2x^2 -1)
1) 4x+3
2) 3x+3
3) 3
4) -1
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Ответ:
1) 4x+3
Step-by-step explanation:
(2x+1)²-2(2x²-1)
((2x)²+2•2x+1)-(2•2x²-2)
(2²•x²+4x+1)-(4x²-2)
Ответ:
(I hope this helps)
Ответ: