How do I solve this equation by completing the square. 4X^2 + 12x +5 = 21

1 answer:

3 0

The Answer is: x1=-4 x2=1.

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Bingel [31]

I believe it will be 36 Im sorry if im wrong.

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3 years ago

Naddika [18.5K]

Answer:

139

Step-by-step explanation:

Substitute x for 15.

9(15)+4

Then multiply:

135+4

And then add:

139

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2 years ago

Zigmanuir [339]

Answer: 120

Step-by-step explanation:

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2 years ago

lora16 [44]

0.36363636363 is the answer

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3 years ago

Jlenok [28]

Answer:

f(x) = 34,500 × (1.032)^x

Step-by-step explanation:

Just completed the test and copied the answer directly from the review.

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2 years ago