Question

Solve for x.

Use the quadratic formula.

2x2−9x+8=0


Enter the solutions, in simplified radical form, in the boxes.

x =
or x =

Answer 1

`\\ \rm\rightarrowtail 2x^2-9x+8=0`

`\\ \rm\rightarrowtail x=(-b\pm√(b^2-4ac))/(2a)`

`\\ \rm\rightarrowtail x=(9\pm√(81-64))/(4)`

`\\ \rm\rightarrowtail x=(9\pm√(27))/(4)`

`\\ \rm\rightarrowtail x=(9\pm3√(3))/(4)`