What are the solutions of quadratic equation 98-x2=0

Let's solve your equation step-by-step.
98−x2=0
Step 1: Simplify both sides of the equation.
−x2+98=0
Step 2: Subtract 98 from both sides.
−x2+98−98=0−98
−x2=−98
Step 3: Divide both sides by -1.
−x^2/1=−98/1
x^2=98
Step 4: Take square root.
x=±√98
x=7√2 or x=−7√2

x=7√2 or x=−7√2

-Not this if this is what you wanted but I hope I helped. :)