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.

## Answer this Question

## Related Questions

- algebra - 4-3/4b^5c^3 / -4/6b^2c^-3 = four minus three fourths b to the 5th ...
- algebra - 4-3/4b^5c^3 / -4/6b^2c^-3 = four minus three fourths b to the 5th ...
- Algebra- MAT 116 - I need Help with this question: Find the value 0.2y(y to the ...
- ALG 2!!! - 5 to the second power minus 4 times 4 plus 5 to the second power ...
- ALG 2!!! - 5 to the second power minus 4 times 4 plus 5 to the second power ...
- Basic Math - (-9) to thr second power minus (-6) to the second power: I got this...
- college math - What is 6x to the third power plus 27x to the second power minus ...
- algebra - How would you solve polynomial equation for, a to the 8th power minus ...
- Algebra - 3x to the second power,minus 15x plus 18 is????
- Algebra - I am so confused with the rules of exponents. I know them, but I have ...