yasameenakbari
20.10.2020 •
Mathematics
A' is the image of Ain a regular pentagon. What is the angle of a clockwise rotation, in degrees, about the origin, that transforms A to A
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Ответ:
Step-by-step explanation:
\frac{4}{3x²-23x+40}
=\frac{4}{3x²-15x-8x+40}
=\frac{4}{3x(x-5)-8(x-5)}
=\frac{4}{(x-5)(3x-8)}
=\frac{4(x-3)}{(x-5)(3x-8)(x-3)}
2.
\frac{9x}{3x²-17x+24}
=\frac{9x}{3x²-9x-8x+24}
=\frac{9x}{3x(x-3)-8(x-3)}
=\frac{9x}{(x-3)(3x-8)}
=\frac{9x(x-5)}{(3x-8)(x-5)(x-3)}