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LuckyWell [14K]
3 years ago
13

Which expression is equivalent to 7 (x + 4)?

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
5 0

Answer:

one could be (7*x) (7*4)

Step-by-step explanation:

aalyn [17]3 years ago
3 0

Answer:

7 times 5x

Step-by-step explanation:

4 plus x and x has value

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Which shows the unsimplified solution for x^2 + 8x + 6 = 0?
irinina [24]
<u />x^{2} + 8x + 6 = 0 \\x = \frac{-(8) +/- \sqrt{(8)^{2} - 4(1)(6)}}{2(1)} \\x = \frac{-8 +/- \sqrt{64 - 24}}{2} \\x = \frac{-8 +/- \sqrt{40}}{2} \\x = \frac{-8 +/- 2\sqrt{10}}{2} \\x = -4 +/- \sqrt{10}
x = -4 + \sqrt{10}    x = -4 - \sqrt{10}

It is equal to D.
6 0
3 years ago
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Just plug it in
So -5 times times -8 = positive 40 so
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HELP PLEASE <br><br><br> identify the solution to the system of equations
nasty-shy [4]

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4 0
3 years ago
Write a rational expression with denominator (x - 3)(x + 2) that is equivalent to 3x-1/x+2
N76 [4]

Answer:

  (x-3)(3x-1)/((x-3)(x+2))

Step-by-step explanation:

An equivalent fraction is formed by multiplying or dividing numerator and denominator by the same factor.

__

To get the desired denominator, the given denominator must be multiplied by (x-3). To get the desired numerator of the equivalent fraction, the numerator must also be multiplied by (x-3).

  \dfrac{3x-1}{x+2}=\boxed{\dfrac{(x-3)(3x-1)}{(x-3)(x+2)}=\dfrac{3x^2-10x+3}{x^2-x-6}}

6 0
2 years ago
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