1. Practice Problems ax2 + bx + c
Write each problem in factored form.

2. TRY THIS PROBLEM
3x2 + x - 10

3. CHECK YOUR ANSWER 3x2 + x - 10 (3x – 5)(x + 2) Look for factors of
-30 that
sum 1
Slide
and
Divide
(3x – 5)(x + 2)

4. TRY THIS PROBLEM
4x2 – 8x + 3

5. Look for factors of 12 that sum -8.
CHECK YOUR ANSWER
4x2 – 8x + 3
Look for factors of 12 that sum -8.
Slide
and
Divide
(2x – 3)(2x – 1)

6. ONE LAST PROBLEM TO TRY
6x2 + x - 12

7. Look for factors of -72 that sum 1.
CHECK YOUR ANSWER
6x2 + x - 12
Look for factors of that sum 1.
Slide
and
Divide
(2x + 3)(3x – 4)

8. NEED MORE PRACTICE PROBLEMS?
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