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 + 420
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Answer 1

A. x^2 + x = 42

Explanation:

given the number is x, then its square is x^2.

x^2 + x = 42