Question

Sum of a number and it's square is 30 , write it algebraically and write the numbers

Answer 1

Answer:

sum of a number and its square written in algebraic form :

let the number be x.

x+x^2=30

Answer 2

Answer:

let the number be x

according to question

x² + x = 30

this is the required algebraic equation.

now

on solving the equation

we get

x² +x - 30 = 0

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

=> x = 5 or x = - 6

taking + ve value of x then

the numbers are 5 and 25.