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

Answer:

x^2 + x = 42

Step-by-step explanation:

Let x = the number

Is means equals and sum means add

The sum of a number and its square is 42

x + x^2 = 42

Answer 2

The equation that can be used to find the two numbers for which this is true is as follows: x² + x = 42.

WHAT IS AN ALGEBRAIC EXPRESSION?

An algebraic expression is that equation in which numbers and letters are both involved.

According to this question, the sum of a number and its square is 42. This word expression can be mathematically written as:

x² + x = 42.

Therefore, the equation that can be used to find the two numbers for which this is true is as follows: x² + x = 42.

Learn more about algebra at: https://brainly.com/question/19864285