# Factor Standard Trinomials for a > 1

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Examples, solutions, videos, worksheets, and activities to help Algebra and Grade 9 students learn about factoring standard trinomials for a > 1.

The following diagram shows how to factor trinomials with no guessing. Scroll down the page for more examples and solutions of factoring trinomials.

How to factor quadratic equations with no guessing and no trial and error?
Examples:
3x2 + 8x + 4
12x2 + 7x + 1
5x2 + 13x - 6

Factoring quadratic trinomials using the AC Method
Example:
4x2 + 16x + 15

Factoring Polynomials - Standard Trinomials (Part 1)
Factoring Polynomials of the form ax2 + bx + c.
Factor:
2x2 + 7x + 5
2x2 + 9x - 5
2x2 + 9x + 9

Factoring Polynomials - Standard Trinomials (Part 2)
Factor:
8x2 - x - 3
6x2 + 13x - 28

Factoring Polynomials - Standard Trinomials (Part 3)
Factor:
2x2 - x - 28

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