answersLogoWhite

0

if you mean x^2-36

1x^2+0x-36

a=1

b=0

c=-36

you can use quadratic formula

(-b -+ sqrt (b^2-4ac))/2a

you'll get (sqrt(144))/2= 6 and (-sqrt(144))/2= -6 as your two roots

your answer (x+6)(x-6)

or use inspection: what factors of c will give you b when added together if

c=-36 and b=0. the roots 6 and -6 will get you 0 when added and -36 when multiplied.

because 6 and -6 are your chosen factors

the factored expression is (x+6)(x-6)

User Avatar

Wiki User

13y ago

Still curious? Ask our experts.

Chat with our AI personalities

TaigaTaiga
Every great hero faces trials, and you—yes, YOU—are no exception!
Chat with Taiga
JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
MaxineMaxine
I respect you enough to keep it real.
Chat with Maxine
More answers

The factors of x2-13x+36 are 'x-9' and 'x-4'because the expression (x-9)(x-4) can be simplified as x2-13x+36.

User Avatar

Wiki User

15y ago
User Avatar

If that's plus 36, it factors to (x - 9)(x - 4)

If it's minus 36, it gets ugly in a hurry.

User Avatar

Wiki User

13y ago
User Avatar

Factors of 36 which add to 13 are 4 & 9 so:

(x + 4)(x + 9)

or

(x - 4)(x - 9)

depending on the sign of the term 13x.

User Avatar

Wiki User

12y ago
User Avatar

I'm guessing that's x2 + 13x + 36. So you're looking for two factors of 36 whose sum is 13. It's not 36 and 1, 18 and 2, 12 and 3 or 6 and 6.

(x + 4)(x + 9)

User Avatar

Wiki User

12y ago
User Avatar

(x + 9)(x + 4)

User Avatar

Wiki User

12y ago
User Avatar

(x-4)(x-9)

User Avatar

Wiki User

15y ago
User Avatar

x+4

User Avatar

Wiki User

11y ago
User Avatar

Add your answer:

Earn +20 pts
Q: Factor completely X2-13x plus 36
Write your answer...
Submit
Still have questions?
magnify glass
imp