Question

Solve for x:

4x(x-5)-5x(x-4)=-1

Answer 1

x = 1, -1

Answer 2

\[4x ^{2} -20x -5x^2 + 20x = -1 \]
\[-x^2\] = -1
-x^2/-1 = -1/-1
x^2 = 1
\[{x} = \sqrt{1}\]
REstrictions. X cannot = 5 or 4

Answer 3

so\[x = \pm 1\]

Answer 4

X= -1 and X= 1