SOLUTION: Factor the polynomial by grouping. 98a^4-252a^2+162

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor the polynomial by grouping. 98a^4-252a^2+162      Log On


   

Question 191292: Factor the polynomial by grouping.
98a^4-252a^2+162
Answer by kara!(17) About Me  (Show Source):
You can put this solution on YOUR website!
2*(49a^4-126a^2+81)
2*((7a^2)^2-2*7*9a^2+9^2)
2(7a^2-9)^2