Question 1091096
f(x)=25x^8-226x^4+9
f(x)=(25x^4-1)(x^4-9)
""=(5x²+1)(5x²-1)(x²+3)(x²-3)
""=(5x²+1)(x&#8730;5+1)(x&#8730;5-1)(x²+3)(x+&#8730;3)(x-&#8730;3)
x=+/- 1/&#8730;5,+/- &#8730;3
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