Subtract the rational expression and simplify x+2/2x-6 - x+3/5x-15
1 answer:
Answer: -3x² - 2x -57
This is how this would look:
First I brought the denominator to the top for both expressions.
so I was left with: 2x-6(x+2) - 5x-15(x+3)
I distributed, combined like terms, and simplified.
<em><u> -3x² - 2x -57</u></em> was my answer
Step-by-step explanation:
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Answer:
It is Commutative
Step-by-step explanation:
An operation ∆ is said to be Commutative if a∆b=b∆a ∀ a,b ∈ ℝ.
Given the operation ∆ defined by:
a∆b=a X b
a∆b=
=3
Similarly, for the right hand side.
Therefore:
b∆a=
=3
These are the two ways of solving this problem and we have in fact shown that the operation is commutative as:
a∆b=b∆a=3