Subtract and simplify:
4a+1a2−4−2a+7a2−4
2a−6a2−4
8a2−4
a−3a2−4...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 07.06.2021 19:50, katie18147
Subtract and simplify:
4a+1a2−4−2a+7a2−4
2a−6a2−4
8a2−4
a−3a2−4
3a+2
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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