math
posted by joe .
how do i solve by factoring x^4+2x^2y^2+9y^4

change x^2 = u, and y^2=z
u^2+2uz+9z^2 which is (u+z)^2
Respond to this Question
Similar Questions

math 123
solve the equation by factoring 3x^28x3=0 (3x+1)(1x3)=0 Now solve each for zero: 3x+1=0 and 1x3=0 Lance can you help me.? 
MathFactoring
Hey I need help factoring 5x^4180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? 
Math
I cant figure out how to solve this problem Solve by Factoring: 5x^232=12 
Math  factoring
Solve by factoring: 1.) x^2  x  12 = 0 
gr 10 math
Solve by factoring. a) x^2 + 3x  28 = 0 (x+7)(x4) d)x^2 + 8x + 16 = 0 (x+4)(x+4) f)9x^2  4 = 0 i)8k^2  3k = 0 k)x^2/6  x + 4/3 = 0 did i do a and d right? 
Math
2x(x+3) = 0 Is there a way to solve that using the below methods? 
math
6. Solve by factoring. m² + 8m + 7 = 0 (1 point)8, 7 –7, 1 *–7, –1 7, 1 7. Solve by factoring. n² + 2n – 24 = 0 (1 point)–12, 2 –2, 12 *–6, 4 –4, 6 Please Help 
Algebra
Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a commaseparated list.) … 
Math (Quadratics)
3. Solve for x in 8x^2 + 2x  4 = 0 I have tried factoring, taking out a GCF then factoring, completing the square, and got a bunch of wrong answers. I thought we were supposed to complete the square, so maybe I'm just doing that wrong. … 
Algebra II
Need help please. Thank you. 1. Determine whether the function has a maximum or minimum. State that value. f(x)= 2x^24x 2. Determine what c would in order to complete the square. x^25x+c 3. Solve the quadratic by factoring. 3x^216x+5=0 …