Activities 725
4. Divide both sides of the equation by the
leading coefficient
a.
Note: Continue to use the last answer
(2 ±) as in step 3 in steps 4 through
9.
5. Use the
expand( ) function to expand the
result of the last answer.
6. Complete the square by adding
((b/a)/2)
2
to both sides of the equation.
7. Factor the result using the
factor( )
function.
8. Multiply both sides of the equation by
4a
2.
9. Take the square root of both sides of the
equation with the constraint that
a>0 and
b>0
and x>0.
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