Question

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

Answer 1

Personally, I bring the 40 to the other side of the equation then I find the square root of both sides.

Explanation:

Answer 2

adding 40 to both sides of the equation.

Explanation:

x² – 40 = 0

the first step in solving this quadratic equation is :

• adding 40 to both sides of the equation

x² – 40 = 0 ⇔ x² – 40 + 40 = 0.+ 40 ⇔ x² = 40