A few days ago

Anonymous

factoring problem?

ahh. I suck at math and I have a math project.

How do youfactor out 1+125x^3?

Thank you!!

Top 4 Answers

A few days ago

blueskies

Favorite Answer

This is similar to Example 14 at the included source link below. You have to recognize that this is the “sum of cubes”…

so….

1 + 125x^3 = *Fits the form of a sum of two cubes

(1)^3 + (5x)^3 = *Binomial is sum of bases

(5x+1)(25x^2 – 5x +1)

*Trinomial is 1st base squared, minus prod. of bases, plus 2nd base squared

—————————————–

My advice to you… is to go to the link below and read all the examples that are worked out. It has EVERY possible polynomial that you would have to factor. If you know how to solve these, then you can solve ANYTHING!!! And rather than stinking at math… you’ll be the pro in your class!!! =)

Hope this helps! This wasn’t an easy one…

A few days ago

navy_bison

Notice that 1 to any power is always going to be one so

what is the cube root of 125?

what is the cube root of x^3?

I think that once you discover the answer to these two questions I have posed for you the answer will be clearer.

4 years ago

a million: -15w^2+13w+20 = -(5w + 4) (3w – 5) 2: +8r^2-30r+18 = 2(r – 3) ( 4r – 3) 3: +6r^3-11r^2-35r = ( 2r – 7) ( 3r + 5) r 4: +v^4+71v^2+70 = (v² + a million) (v² + 70) 5: -v^2+v+12 = -a million(v + 3) (v – 4) 6: +r^2-4r+3 = (r – 3) (r – a million) 7: +4a^2-28a+40 8 = 4(a – 4) (a – 3)

A few days ago

Anonymous

I have the same packet did your school give u a summer packet and like me u waited till last minute?

Well all I can tell u is add exponents and remember the order

of operation. oh and the disributive property.

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