Saturday

October 25, 2014

October 25, 2014

Posted by **Amy** on Monday, May 18, 2009 at 8:48pm.

SOLVE THE EQUATION USING THE ZERO PRODUCT PROPERTY

-8n(5n+3)=0

SOLVE THE EQUATION BY COMPLETING THE SQUARE.. ROUND TO THE HEAREST HUNDRETHS

X^2-3x=4

4x^2+4x-24=0

Thank you... I dont get how to do these please explain. Thank you very much!

- Math -
**Reiny**, Monday, May 18, 2009 at 9:00pm1.

-8n(5n+3)=0

set each factor equal to zero, then solve to get

n = 0 or n = -3/5

2.

x^2-3x=4

x^2 - 3x**+ 9/4**= 4**+ 9/4**

(x-3/2)^2 = 25/4

x-3/2 = ± 5/2

x = 4 or x = -1

3. divide each term by 4 to get

x^2 + x = 6

x^2 + x + 1/4 = 6 + 1/4

(x+1/2)^2 = 25/4

x + 1/2 = ±5/2

x = 2 or x = -3

**Answer this Question**

**Related Questions**

Math - I need help with these three problems. They are on a Study Guide and I ...

math - I need help with these three problems. They are on a Study Guide and I ...

Math - I need help with these three problems. They are on a Study Guide and I ...

Math - Hi everyone. Would someone be able to help me with this problems? I know ...

Algebra 1--Please, help me! - Solve the following equation by graphing the ...

Pre Algebra - Please help me with some problems. Thank you! Solve the equation ...

algebra - 1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic ...

Algebra - Solve the equation using the Zero Product Property. (3x + 1)(x – 5) = ...

Algebra - 1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic ...

Algebra - I have some problems that I am having trouble with and I have some ...