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−3x ^2 −3x−9= −2 i need a answer

User Beretis
by
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1 Answer

0 votes
Answer:

1. Simplify:

image

2. Use quadratic formula:

A = -3, B = -3, C = -7

image

3. And now if discriminant is more than 0, then equation has 2 solves:


image

1)
image, so this is the first solve.

2)
image, so this is the second solve.

Hope this helps!
User Viktor Baert
by
7.1k points