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Klio2033 [76]
3 years ago
5

Solve the equation by factoring. 2x2 – 6x = 56

Mathematics
2 answers:
bearhunter [10]3 years ago
7 0
The answer is x=-26/3
IgorC [24]3 years ago
3 0
SIMPLIFY BOTH SIDES OF THE EQUATION
2^{2} - 6x = 56

4 + -6x = 56

-6x + 4 = 56

SUBTRACT 4 FROM BOTH SIDES
-6x + 4 = 56
      - 4     -4
___________
-6x = 52

DIVIDE BOTH SIDES BY -6 (NEGATIVE 6)
\frac{-6x}{-6}  =  \frac{52}{-6}

x =  \frac{-26}{3}

FINAL ANSWER: x =  \frac{-26}{3}
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Eleven subtracted from two times a number is -31.
erica [24]

Answer:

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Step-by-step explanation:

2x-11=-31\\

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Evaluate each using the values given.<br> 7) 3 - x + x + y; use x = 4, and y=-1
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2

Step-by-step explanation:

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4 0
3 years ago
Solve each system of equations; nonlinear algebra 2<br><br> x2 + x + y - 26 = 0<br> x + y = 1
BigorU [14]

Answer:

(5,-4) and (-5,6)

Step-by-step explanation:

Given:

\left\{\begin{array}{l}x^2+x+y-26=0\\ \\x+y=1\end{array}\right.

Solve it. First, express y in terms of x from the second equation:

y=1-x

Substitute it into the first equation:

x^2+x+1-x-26=0\\ \\x^2-25=0\\ \\(x-5)(x+5)=0

Apply zero product property:

x-5=0\ \text{or}\ x+5=0

So,

x=5\ \text{or}\ x=-5

When x=5, then y=1-5=-4

When x=-5, then y=1-(-5)=6

We get two solutions: (5,-4) and (-5,6)

8 0
4 years ago
Please help i give brainlist
Anastasy [175]
Hello There!

The ratio is 1:3 therefore the answer is 1/3

Hope This Helps You!
Good Luck :) 

- Hannah ❤
3 0
3 years ago
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