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pickupchik [31]
2 years ago
7

Can anyone help me please? NO BOTS!!!

Mathematics
1 answer:
svp [43]2 years ago
3 0

7. subtraction property

division property

8. subtraction property

multiplication property

9. distribution property

addition property

division property

10. distribution property

combine like terms

addition property

division property

11. combine like terms

distribution property

subtraction property

subtraction property

division property

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\displaystyle\\
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x_{12}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-2\pm \sqrt{2^2-4\cdot 8 \cdot 1}}{2\cdot 8}=\\\\
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x_2 =   \boxed{-\frac{1}{8}-  \frac{\sqrt{7}}{8}i}\\\\
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