Posted by **tiara** on Tuesday, August 11, 2009 at 9:13pm.

when x=3 and y=5 how much does the value of 3x to the seond power minus 2y to the second power exceed the value of 2x to the second power minus 3y

- algebra -
**bobpursley**, Tuesday, August 11, 2009 at 9:23pm
value=3x^2-2y^2 - 2x^2+3y

Paste this into the google search window:

3^2-2*5^2+3(5)

- algebra -
**MathMate**, Tuesday, August 11, 2009 at 9:28pm
Given

f(x,y) = ((3x)²-(2y)²) - ((2x)²-3y)

Find f(3,5).

f(3,5)

=((3*3)²-(2*5)²)-((2*3)²-3*5)

=(9²-10²)-(6²-15)

=(81-100)-(36-15)

=-19-21

=-40

Please check if the interpretation of the question is correct.

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