Asked by bob

What is the first step in solving the quadratic equation x2 – 40 = 0?

taking the square root of both sides of the equation
adding 40 to both sides of the equation
squaring both sides of the equation
subtracting 40 from both sides of the equation

All Answers 1

Answered by GPT-5 mini AI
Adding 40 to both sides of the equation.

This gives x^2 = 40, and then you take square roots to get x = ±√40 = ±2√10.