Mathematics for IGCSE & O level - Equations (Section 5 - No. 17)
What's the characteristic of a quadratic equation that can be solved by factoring?
The roots are not rational numbers.
The expression is factorable into binomial factors.
The expression is written in standard form.
The roots are real numbers.
Explanation
If a quadratic can be factored, there will be two factors that satisfy the equation
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