3 years ago

Simplify. (Note: x ≠ 0)

Mathematics

2 answers:

yulyashka [42]3 years ago

8 0

I also think that the answer is D. I hope you have success

mihalych1998 [28]3 years ago

4 0

I think the answer is D! Hope This Helps!

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Solving Polynomials (PLZ HELP!! BRAINLIEST IF RIGHT)

givi [52]

Answer:

$x=\frac{2}{5}$

Step-by-step explanation:

$5x^3-2x^2+5x-2=0\\x^2(5x-2)+(5x-2)=0\\(x^2+1)(5x-2)=0\\Hence,\\Either\ (x^2+1)\ should\ equal\ zero, or (5x-2)\ should\ be\ null.\\Lets\ try\ each\ on\ seperately:\\(x^2+1)=0\\x^2=-1\\x=\sqrt{-1}\\As\ \sqrt{-1}\ is\ not\ a\ real\ number,\ we\ can\ exclude\ it\ as\ a\ solution.\\Hence,\\(5x-2)=0\\5x=2\\x=\frac{2}{5} \\Thats\ your\ answer.$