# Math

Can someone show me the steps to solve this problems..

18s^2 + 72s = 0

and

x^3 - 5x^2 - 66x = 0

18s^2 + 72s = 0
18s*(s + 4)=0

set both terms equal to zero.

x^3 - 5x^2 - 66x = 0
x*(x^2 - 5x - 66 )= 0
factor the second term (11,6)

1. 👍 0
2. 👎 0
3. 👁 68

## Similar Questions

1. ### Algebra

Help please-I'm doing something wrong- Solve 8x^2 + 6x + 5 = 0 I'm doing square roots and all the steps but it's not working out I come up with -0.38 + 0.5 and -0.38 - 0.5 But it's not right when I go to put it back in. Could you

asked by Sandra on October 6, 2010
2. ### math

solve for unknown: log9 r=3/2 logG 2=1/3 Can you show me the steps how to solve this problems.Thank yo very much for your time

asked by sandy on July 18, 2010
3. ### Math

Solve for S: r^2s-5s=7. Solve for b: L= 4a^2b. I'm confused about how to solve these problems. Could someone show me the steps?

asked by Sue on September 12, 2011
4. ### Algebra II

Solve the given system by using a substitution method 9x-2y=3 3x-6=y If you could show the steps because I have 10 problems for homework and I just need an example Thanks

asked by JessieLynn on February 4, 2011
5. ### Math

I can't figure any of these problems out any help would be nice peace. Show all steps used to solve the problem. 1.5n + 6 = -4 3.b/-3+5=7 4.17-x/4=-10 5.If 3a - 9 = 6, what is the value of 4a - 1? 6.

asked by Nick on May 21, 2009
6. ### college chemistry - molarity question

My textbook doesn't show me how to do problems like the following, and I'm having a hard time finding similar problems online. Most of the molarity problems I'm finding involve mixing a substance with water, but these involve

asked by lholmq on April 29, 2009
7. ### math

So I've been having trouble solving some problems. Mainly problems that look like this 5-(t+3)=-1+2(t-3) what causes problems is the 5- part. I asked my teacher for help, and he gave me a hint, which is to distribute a -1 like

asked by katherine on October 7, 2010
8. ### Math

Write the steps to solve the following problem. Explain your steps as you solve it. What are the steps to show the quotient in simplest form? Be sure to include various key words you learned in this unit. 0.000027÷0.000009