brandistrothma
29.09.2020 •
Mathematics
1. Simplify (x2 + 3) - (4x2 – 7)
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Ответ:
3x^2
———
28
Step-by-step explanation:
1 . x^2
Simplify ——
7
2. 3 x2
— • ——
4 7
3. 3
Simplify —
4
4.3 x2
— • ——
4 7
Ответ:
mk I will join when I have time