smorze
02.03.2021 •
Mathematics
Please help......... please
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Ответ:
Step-by-step explanation:
2x + 4 = 2(x + 2)
= 2x *x + 2x* 2 + x*(-1) + 2*(-1)
= 2x² + 4x - x - 2
= 2x² + 3x - 2
Ответ:
A=πr2
Step-by-step explanation: