4 Quadratics and polynomials
Australia
10&10a
4.02 Solving quadratic equations by factorisation
Interactive practice questions
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
Solve $x^2-14x+40=0$x2−14x+40=0 for $x$x.
Enter each solution on the same line, separated by a comma.
Easy
1min
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