Factor, expand, and complete the square
Equivalent expressions · Stage 2
Recognize the pattern
Find two numbers whose sum is b and product is c.
Useful rule(a+b)²=a²+2ab+b²
Build on: ADM-01
Try it before reading the solution
Factor x² + 5x + 6.
This teaching example is original and is not an official SAT question.
Reasoning
2 + 3 = 5 and 2 × 3 = 6.
Answer(x + 2)(x + 3)
03 · Next step
See membership →Ready for adaptive practice
Practice questions remain in English, as on the SAT.