3 years ago

Solve for x using the Quadratic Formula: x2 + 4x + 4 = 0 -b + Vb2 - 4ac x= 2a

Mathematics

1 answer:

Irina18 [472]3 years ago

8 0

Answer:

x = -2.

Step-by-step explanation:

In this case, a is 1, b is 4 and c is 4.

-4 plus or minus the square root of 4^2 - 4 * 1 * 4 divided by 2 * 1 = -4 plus or minus the square root of 16 - 16 / 2 = -4 plus or minus the square root of 0 / 2 = -4 / 2 = -2.

x = -2.

Hope this helps!

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