# algebra

posted by .

please shoe me how to factor this problem b^3-4b^2-9b+36

• algebra -

use "grouping"

b^3-4b^2-9b+36
= b^2(b-4) - 9(b-4)
= (b-4)(b^2-9)
= (b-4)(b+3)(b-3)

• algebra -

x3 + 2x2 + x + 2

## Similar Questions

1. ### math,correction

Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem …
2. ### Calculus

relative extrema x^4-2x^2+5 so far I know how to find the derivative which is 4x^3-2x now I am stuck... Please help Huh?
3. ### mat117/algebra

Factor completely. ax - ay + x^2 - xy please show me how to factor this problem a(x-y) + x(x-y) = (a+x)(x-y)
4. ### Algebra

3Z+6Z+7=29-4 Please shoe how to solve this Problem.

6. ### precalc

A shoe manufacturer markets a new athletic shoe in a community of 500,000 people. The marketing representative convinces 35% of the community to buy the shoe. Additionally, each customer convinces 35% of his or her friends that have …
7. ### Algebra

The table shows men's shoe sizes in the United States and the corresponding European shoe sizes. Let y = f(x)represent the function that gives the men's European shoe size in terms of x, the men's U.S. size. Men's U.S. shoe size, Men's …
8. ### algebra--1 question

Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial?
9. ### algebra

A shoe company wants to gauge opinions of a new shoe design. They send out 100 pairs to people in four different cities, but because of cost constraints they can interview only 40 people total. They randomly choose 10 people from each …
10. ### algebra

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is g(x)=3x-94/4. A size 6 shoe in the United States is size 3.5 in England. A function the converts shoe sizes in England …

More Similar Questions