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holiday679
Oct 18, 2009, 07:31 PM
How to factor this polynomial: 3x^3 - 6x^2 - 189x?

Perito
Oct 18, 2009, 07:57 PM
How to factor this polynomial: 3x^3 - 6x^2 - 189x?


First, factor 3X out of each term. Then you'll have a quadratic to factor.

3x\,(x^2 - 2x - 63)

furqannoor
Oct 19, 2009, 12:23 AM
An open topped box can be created by cutting congruent squares from each of the four corners of apiece of cardboard that has dimensions of 20cm by 30cm and folding up the sides. Determine the dimensions of squares that must be cut to create a box with avolume of 1008cm^3

Unknown008
Oct 19, 2009, 10:27 AM
You should have started another thread. Then, someone will answer.