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Lisa [10]
3 years ago
15

Simplify the expression 3x²-5x-4+xy-(2xy+2x²) then evaluate the result if x=-1 and y=6

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
6 0
-6 is what it would be plugging the x and y values in
lidiya [134]3 years ago
5 0
3x²-5x-4+xy-(2xy+2x²) Simplified is x²-5x-4-xy
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Step-by-step explanation:

-4\sqrt{12}+\sqrt{75}

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Another name for an if-then statement is a ____. Every conditional has two parts. The part following if is the ____ , and the pa
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Step-by-step explanation:

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Answer:

Step by Step Solution

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    6*x+11-(21)=0  

Step by step solution :

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  6x - 10  =   2 • (3x - 5)  

Equation at the end of step

1

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STEP

2

:

Equations which are never true:

2.1      Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

2.2      Solve  :    3x-5 = 0  

Add  5  to both sides of the equation :  

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One solution was found :

x = 5/3 = 1.667

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