Factoring Trinomials a=1 FACTORING, grouping, diff squares, GCF

Front

What is ALWAYS the first step when factoring?

Back

Look for the GCF.

Front

Factor x² + 18x + 81

Back

(x + 9)².

Front

Factor 7x + 21 using the GCF

Back

7(x + 3).

Front

Factor x² + 9x - 36

Back

(x + 12)(x - 3).

Front

What is the GCF of the trinomial 3x² - 9x - 120?

Back

3.

Front

What does GCF stand for in factoring?

Back

Greatest Common Factor.

Front

What is the difference of squares formula?

Back

a² - b² = (a + b)(a - b).

Front

How do you factor a trinomial of the form x² + bx + c?

Back

Find two numbers that multiply to c and add to b.

Front

What is the factored form of x² - 16?

Back

(x + 4)(x - 4).

Front

What is the first step in factoring by grouping?

Back

Group terms with common factors.