Question

will give medal
A plot of land is rectangular and has an area of x^2-5x-24m^2. The length is x+3m. Find the width.

Answer 1

Divide x^2-5x-24 by x+3

Answer 2

yes i understand that part but when you divide it gets confusing!

Answer 3

Can you factor x^2-5x-24?

Answer 4

nope

Answer 5

Think of two numbers. When you add them you get -5. When you multiply them you get -24

Answer 6

3 and -8?

Answer 7

So:
\[x^2-5x-24=(x-8)(x+3)\]

Answer 8

oooooooohhhhhhhhh thanks man appreciate it!!

Answer 9

And:
\[\frac{x^2-5x-24}{x+3}=\frac{(x-8)(x+3)}{x+3}\]

Answer 10

Cancel the common factor.

Answer 11

hold on where did the m^2?

Answer 12

I'm pretty sure that m^2 means square meters

Answer 13

ohhh never mind

Answer 14

thanks

Answer 15

yw