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Alona [7]
3 years ago
8

Simplify the expression.

Mathematics
1 answer:
notsponge [240]3 years ago
8 0
The answer is 2k^2 - 7k - 4 because 2k x k is 2k^2 and 2k x (-4) is -8k and 1 x k is k and 1 x (-4) is -4. So then you would get 2k^2 - 8k + k - 4 which simplifies to 2k^2 - 7k - 4 which is your answer.
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How can you analyze connections between linear equations and use them to solve problems
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Answer:

Step-by-step explanation:

One of the more obvious "connections" between linear equations is the presence of the same two variables (e. g., x and y) in these equations.

Assuming that your two equations are distinct (neither is merely a multiple of the other), we can use the "elimination by addition and subtraction" method to eliminate one variable, leaving us with an equation in one variable, solve this 1-variable (e. g., in x) equation, and then use the resulting value in the other equation to find the value of the other variable (e. g., y).  By doing this we find a unique solution (a, b) that satisfies both original equations.  Not only that, but also this solution (a, b) will also satisfy both of the original linear equations.

I urge you to think about what you mean by "analyze connections."  

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Step-by-step explanation:


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\huge\text{Hey there!}

\large\text{What is the \bf{difference from 10 and 12}}\large\text{ ?}

\large\text{The word \underline{DIFFERENCE} usually it means \underline{SUBTRACT} in}\\\large\text{mathematical terms.}

\large\text{So, we will reword  the question saying 10 SUBTRACTED by 12}

\large\text{10 - 12 = \bf -2}

\large\text{12 - 10 = \bf 2}

\boxed{\huge\textsf{The difference from 10 \& 12 is: \boxed{\huge\text{\bf -2 or 2 }}}}\huge\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

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