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BARSIC [14]
3 years ago
7

(x+3)^2 = x^2-3(1-x)

Mathematics
1 answer:
Oxana [17]3 years ago
7 0
(x+3)(x+3) = x^2 -3 + 3x
x^2 + 3x + 3x + 9 = x^2 + 3x - 3
x^2 + 6x + 9 = x^2 + 3x - 3
6x + 9 = 3x - 3
3x + 9 = -3
3x = -12
x = -4

Check:
(-4+3)^2 = (-4)^2 - 3(1+4)
(-1)^2 = 16 - 3(5)
1 = 16-15
1 = 1 :)
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Anyone know how to do this
Nonamiya [84]

Answer:

x ≈ 4

Step-by-step explanation:

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tan30° = x/7

7(tan30°) = x

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4 0
4 years ago
2. Solve for the values of x by factoring.
Vikki [24]

Answer:

x = - 3, x = - 6

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Calculus Help!
snow_lady [41]

Answer:

Yes.

Step-by-step explanation:

You would have to use L'Hopital's Rule. Infinity/Infinity is undefined, just like 0/0 is undefined.

I just googled this.

Before trying other techniques, plug in the arrow number. If the result is:

   A number, you’re done.

    A number over zero or infinity over zero, the answer is infinity.

    A number over infinity, the answer is zero.

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The thing is, when you say you got your limit, do you mean\lim_{n \to \infty} (n+1)/n ?

This can just be found out by dividing by highest denominator power on numerator and denominator..

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3 0
3 years ago
John has 4 milligrams of copper and 0.76 milligram of lead.
viva [34]

Answer:

A 3.24 milligrams

Step-by-step explanation:

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brainliest please. . . .

5 0
3 years ago
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Alenkinab [10]

Answer:

The area of the shaded region is 17.4 square meters.

Step-by-step explanation:

Since the shaded region in the center equals the remainders of a circle, the area of a square equals its side squared, and the area of a circle equals π times the radius squared, for To determine the area of the shaded region, the following calculations should be performed:

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Thus, the area of the shaded region is 17.4 square meters.

5 0
3 years ago
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