Discover Questions

What is the physical distribution and location of galaxies in the Physical Universe? Convert r^2(cos^2theta/9 +sin^2theta/9)=1 into rectangular form? If the light resulting from so called nuclear fusion produces a color temperature of Green,how come we see the Sun from Earth as amber? How can a trillion events be measured in the span of a microsecond? I can t figure out how to show the steps in between to get to the factor of:
6x^3+17x^2+33x+28 Should come out to (3x+4)(2x^2+3x+7)?