iGCSE (2021 Edition)
18.02 Solve by factorisations (Extended)
Interactive practice questions
The equation $2y-6y^2=0$2y−6y2=0 has two solutions. Solve for both values of $y$y, writing your answers on the same line separated by a comma.
Easy
2min
Solve $x^2=13x+114$x2=13x+114 for $x$x.
Enter each solution on the same line, separated by a comma.
Easy
3min
Solve $x^2+13x+42=0$x2+13x+42=0 for $x$x.
Enter each solution on the same line, separated by a comma.
Easy
1min
Solve $x^2+4x-21=0$x2+4x−21=0 for $x$x.
Enter each solution on the same line, separated by a comma.
Easy
1min
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