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Anna71 [15]
2 years ago
6

-3|x|=9, what is x? I wrote that x = -3, but I guess that's wrong?

Mathematics
1 answer:
miv72 [106K]2 years ago
3 0

Answer:

It is correct

Step-by-step explanation:

It is correct since the product of 2 negatives is always a positive:

Also since it is the same number being multiplied the answer is a square number:

that is why the square root of anything is known as ±.

Since there are 2 solutions, this also explains why there are 2 solutions in a quadratic equation.

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