56.2k views
5 votes
For what values of x is x squared minus 36 equal 5x

1 Answer

0 votes

Answer:

9 and -4

Explanation:

change the word form to math form so now

x² - 36 = 5x This look like a factoring problem, so we put it equal to 0

x² - 5x - 36 = 0 Now factor

(x - 9) (x + 4) We have to find 2 numbers that give -36 when we multiply and -5x when we add

x - 9 = 0

x = 9

x + 4 = 0

x = -4

you can check by plugin the x value to actual equation.

User SSAMEERR
by
4.1k points