Question

Find a positive number, which is less than its square by 30.

Answer 1

Answer:

(x+5)(x-6)

Step-by-step explanation:

let;

x = the number

x = x2 - 30

x2 - x - 30 = 0

factor :

-30

/ \

5 * -6 = -1

(x + 5)(x - 6) = 0