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

Algebra.Com
Question 191292: Factor the polynomial by grouping.
98a^4-252a^2+162

Answer by kara!(17)   (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

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