Question

The sum of a positive number and its square is 30.If the number is X. Find the equation and find the number

Answer 1

Answer:

equation:Xsquare+x-30=0

EXPLANATION:

Xsquare+6x-5x-30=0

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

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

x-5=0 or x+6=0

x=5 or x=-6

since X is a positive integer X=5