Question

Fan+MEdal
Solve the equation by completing the square. If necessary, round to the nearest hundredth. x² – 81x = 19

Answer 1

@k_lynn @Arock157

Answer 2

\[(x ^{2}+81x+__) - __ = 19\]

to find what goes in the blanks divide the x term by 2 and square it

\[(x^{2}+81x+1640.25) - 1640.25 = 19\]

\[(x+40.5)^{2}=1659.25\]

Answer 3

thanks