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sergeinik
[125]
3 years ago
15
I don't understand math at all. Please help!! Can you break this problem down step by step?
Mathematics
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answer:
kipiarov
[429]
3 years ago
6
0
X² + 4x - 8 = 5
This is a simple quadratic equation. Let's move everything to the left side to start:
x² + 4x - 8 - 5 = 5 - 5
Now we have:
x² + 4x - 13 = 0
In a quadratic equation, x =
Therefore, we plug in a = 1, b = 4, and c = -13, and we find that x = -2 - sqrt{17} OR -2 + sqrt{17}.
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