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Galina-37 [17]
3 years ago
11

Hey can you please help me posted picture of question :)

Mathematics
2 answers:
otez555 [7]3 years ago
4 0
Answer:
The solutions are -3 and -6

Explanation:
First we would need to put the equation in standard form which is:
ax² + bx + c = 0
This can be done as follows:
x² + 18 = -9x
x² + 9x + 18 = 0
By comparison, we would find that:
a = 1
b = 9
c = 18

Now, to get the roots, we would use the quadratic formula shown in the attached image.

By substitution, we would find that:
either x = \frac{-9+ \sqrt{(9)^2-4(1)(18)} }{2(1)} = -3

or x = \frac{-9- \sqrt{(9)^2-4(1)(18)} }{2(1)} = -6

Hope this helps :)

soldi70 [24.7K]3 years ago
4 0
The solutioms for the equation are a and b or -3 & -6
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