Question #6415780Single Choice

Algebra-2

Question

Solve the quadratic equation by factoring: .

Options

A

x = -1 or x = -3

B

x = -1 or x = 3

C

x = 3 or x = 1

D

x = -3 or x = 1

Answer & Analysis

Answer

D

Analysis

First, factor out the greatest common factor, which is 2:

.

Now, factor

.

We are looking for two numbers that multiply to -3 and add up to 2. These numbers are 3 and -1.

So, the factored form is

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