Question

The sum of a number and its square is 42. Which equation can be used to find the two numbers for which this is

true?
x2 + x = 42
x2 + 2x = 42
x²+x+42=0
x² + 2x + 42=0

Answer 1

x2 + x = 42

Explanation:

x = nhmber

x² = its square

then:

The sum of a number and its square is 42 is:

x² + x = 42