Solve using the quadratic formula. 3x^2+6x+7=0

1 answer:

8 0

I hope this helps you

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Svetradugi [14.3K]

Is there a formula for this? Or maybe do you know what equation it's used for?

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3 years ago

djverab [1.8K]

19-3=16
16/8=2
2x8+3=19
The answer is 2.

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3 years ago

Scilla [17]

I need answer choices

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4 years ago

Sholpan [36]

Let tree's height = h

h/80 = tan 30
⇒ h = 80 tan 30
⇒ h = 80 * 1/√3
⇒ h = 46.19 ft

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3 years ago

hammer [34]

The differnce of 2 perfect cubes

remember
a³-b³=(a-b)(a²+ab+b²)

so
$(x^2)^3-(3)^3=(x^2-3)(x^2+3x+9)$

3 0

3 years ago