Mathematics for IGCSE & O level - Algebraic Manipulation (Section 3 - No. 39)
Which of the following statements is true when factoring an expression using the form ax² + bx + c?
First, always look for any common factors.
If the coefficient of 'c' is positive, both numerical terms in the brackets have the same sign.
If the coefficient of 'c' is negative, the numerical terms in the brackets have different signs.
If the coefficient of 'a' is positive, you must always use positive numerical terms.
Explanation
These are key steps in the factoring process.
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