SOLUTION: Please help me,I am totally confused with this.
What is the difference between 2x^2+4xy-3 and x^2-2xy-4
Please help me!
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Question 128183: Please help me,I am totally confused with this.
What is the difference between 2x^2+4xy-3 and x^2-2xy-4
Please help me!
Found 2 solutions by stanbon, solver91311:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the difference between 2x^2+4xy-3 and x^2-2xy-4
-------------------------------------------
(2x^2+4xy-3) - (x^2-2xy-4)
= 2x^2 + 4xy -3 -x^2 + 2xy + 4
Gather "like" terms to get:
= 2x^2-x^2 + 4xy+2xy -3+4
= x^2 + 6xy +1
==================
Cheers,
Stan H.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The difference between two quantities is the result of subtracting one from the other. Specifically, the difference between 5 and 3 is 2 because 5 - 3 = 2.
For your situation, the difference between and is:
Now distribute the minus sign and remove the parentheses:
And collect like terms:
Done.
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