SOLUTION: Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference?

Algebra.Com
Question 729388: Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference?
Answer by lenny460(1073)   (Show Source): You can put this solution on YOUR website!
Can someone please show me step by step to solve x^2-9 when factoring to find the sum and difference ?

Factor:
x^2 - 9
Use the difference of squares formula:
Answer:
(x - 3)(x + 3)



Lennox Obuong
Algebra Tutor
Nairobi, Kenya

RELATED QUESTIONS

Can someone please show me step by step to solve y^2+72 when factoring to find the sum... (answered by checkley79)
if y is proportional to 2x-7,and y=-9 when x=2,find x when y=-15.Please show me step by... (answered by flame8855)
Could someone please show me step by step how to solve the system of equations by... (answered by stanbon,mananth)
can someone please help me with this solve by using the quadratic formula and prove... (answered by Alan3354)
How do you solve this problem it says find values of x when the expression is equal to... (answered by solver91311)
Can someone please show me what the step by step process is to solve this problem? Thank... (answered by jim_thompson5910)
can you please show me step by step how to show... (answered by jim_thompson5910)
Can you show me step by step how to solve this? x^2 - 5x = log3... (answered by Fombitz)
Could you please show me step by step help to solve: x^2 + 10xy +... (answered by jim_thompson5910)