3 years ago

Which equation is equivalent to 8x + 3 ( x +5) -5 (x-4) = 2

Mathematics

1 answer:

galina1969 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

x = -11/2

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Use the method of completing the square to transform the quadratic equation into the equation form (x + p)2 = q. 3 + x - 3x2 = 9

Triss [41]

To <span>transform the quadratic equation into the equation form (x + p)2 = q we shall proceed as follows:
3+x-3x^2=9
putting like terms together we have:
-3x^2+x=6
dividing through by -3 we get:
x^2-x/3=-2
but
c=(b/2a)^2
c=(-1/6)^2=1/36
thus the expression will be:
x^2-x/3+1/36=-2+1/36
1/36(6x-1)</span>²=-71/36

the answer is:
1/36(6x-1)²=-71/36

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3 years ago

Which best describes the relationship between the successive terms in the sequence below?

zhuklara [117]

Answer:

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2 years ago

What is the solution for -6(1-5v)=54 ?

snow_tiger [21]

Isolate the variable by dividing each side by the factors that don't contain the variable

v=2

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3 years ago

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4x-1=3(x-1) Please help!

Sveta_85 [38]

Answer:

x=-2

Step-by-step explanation:

4x-1=3x-3

x=-2

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3 years ago

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What is the answer to the equation -2x-8=-10

Oxana [17]

You need to get "x" by itself on one side

$-2x-8=-10$

Add positive eight on both sides---because its the opposite of negaitve

$-2x-8+8=-10+8$

$-2x=-2$

Divide -2 by -2

-2÷-2=1

<u> $x=1$ </u>

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3 years ago