$\"\"$

\

The given equation is $\"\"$ .

\

$\"\"$ (Original equation)

\

$\"\"$ (Add $\"\"$ on each side)

\

$\"\"$ .

\

$\"\"$

\

Make a table for the above equation.

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \
\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \	\ $\"\"$ \

\

$\"\"$

\

Draw the graph of the equation $\"\"$ .

\

Draw a co-ordinate plane.

\

Plot the points.

\

Draw a smooth curve through this points.

\

$\"graph$

\

The equation has real solutions.

\

The equation has two real solutions.

\

One solution is 4 and other solution is $\"\"$ .

\

$\"\"$

\

The graph of the equation is

\

\

$\"graph$

\

The equation has real solutions.

\

The roots of the given equation are 4 and $\"\"$ .