Mathematics for IGCSE & O level - Equations (Section 8 - No. 14)
Which are necessary steps for factorizing a quadratic equation of the form x² + bx + c = 0?
Find two numbers whose product is 'c' and sum is 'b'.
Rewrite the middle term 'bx' using the two numbers found.
Factor by grouping.
Always use the quadratic formula.
설명
The correct steps involve finding the numbers, rewriting the middle term, and factoring.