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Ronch [10]
3 years ago
9

Gcf difference of square (trinomials (xmethod) Help with math problem

Mathematics
2 answers:
Naddik [55]3 years ago
7 0

Answer:

Step-by-step explanation:

1. x = 2 1 2 , − 2 1 2

2. x = 0 , 2

3. x = 3 , 2

Kisachek [45]3 years ago
7 0

9514 1404 393

Answer:

  A) difference of squares

  B) GCF

  C) trinomials (X method)

Step-by-step explanation:

When a binomial is a difference of squares, factoring using the "difference of squares" method is appropriate.

The first binomial is ...

  (2x)² -5² . . . . . a difference of squares

  = (2x -5)(2x +5)

__

When the binomial is not a difference of squares, but there is a common factor, then the GCF method is appropriate.

  2x³ -4x² = 2x²(x -2) . . . . . GCF method

__

When the expression is a trinomial, often the X method can work for factoring it.

  x²-5x +6 . . . . 2 numbers are needed that sum to -5 and are factors of 6

  6 = (-2)(-3), so the factorization is (by X method)

  (x -2)(x -3)

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