Question

x²-49=0 using by extracting square roots

Answer 1

${x}^{2} - 49 = 0 \\ {x}^{2} = 0 + 49 \\ {x}^{2} = 49 \\ x = \sqrt{49} \\ x = 7$

Answer 2

Answer: 7

Step-by-step explanation:

We need to simplify down the equation. As this is an equation we do this to both sides.

+49: x² = 49

find the square root of 49: 7

divide by its square root: x = 7