3. Equations and Inequalities
iGCSE (2021 Edition)
3.07 Further quadratic equations
Interactive practice questions
Solve $x^2+6x-55=0$x2+6x−55=0 for $x$x.
Write all solutions on the same line, separated by commas.
Easy
1min
Solve for the unknown, leaving your answer in exact form.
$8-7m-m^2=-2m^2+m+2$8−7m−m2=−2m2+m+2
Easy
4min
Solve the following equation:
$x-\frac{45}{x}=4$x−45x=4
Easy
1min
Solve the following equation:
$\frac{10}{x}-3x=-13$10x−3x=−13
Easy
2min
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