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pav-90 [236]
3 years ago
9

Solve quadratic equation X^2+6x+7=0

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
5 0
Using the quadratic formula.
Hope this helps.

earnstyle [38]3 years ago
3 0
We can't facotr this
for
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}
1x^2+6x+7
x=\frac{-6+/- \sqrt{6^2-4(1)(7)} }{2(1)}
x=\frac{-6+/- \sqrt{36-28} }{2}
x=\frac{-6+/- \sqrt{8} }{2}
x=\frac{-6+/- 4\sqrt{2} }{2}
x=-3+/- 2\sqrt{2}


x=-3+ 2\sqrt{2} and x=-3- 2\sqrt{2}


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(<u>−1</u>

2  )(n^3)+

<u>1</u>

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Combine Like Terms:

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<u>1</u>

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<u>−1</u>

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