14. x 2 + 10x - 25 = 0

Question

Mathematics

Nehemiah Carroll

25 November, 02:59

14. x 2 + 10x - 25 = 0

+1

Answers (2)

Know the Answer?

Colt Beard · Answer 1

Colt Beard 25 November, 05:45

0

28+10x-25=0

3+10x=0

10x=-3

x=-0.3

Zachary Hebert · Answer 2

think about two numbers that will get 25:

think about two numbers that will get 10

use the 5 times tables

5*5 = 25

Use 5+5 = 10

x^2+10x-25 = 0

(x+5) (x+5) = 0

x+5 = 0, x+5 = 0

x+5-5 = 0-5

x = - 5

x+5-5 = 0-5

x = - 5

Answer:

only x = 5