Question

Some steps to rewrite the expression x3 - 9x + x2 - 9 as a product of three factors are shown below:

Step 1: x3 - 9x + x2 - 9
Step 2: x3 + x2 - 9x - 9
Step 3: x2(x + 1) - 9(x + 1)

Which of the following best shows the next two steps to rewrite the expression?

Step 4: (x2 + 9)(x + 1); Step 5: (x + 3)(x + 3)(x + 1)
Step 4: (x2 - 9)(x + 1); Step 5: (x + 3)(x + 3)(x + 1)
Step 4: (x2 + 9)(x + 1); Step 5: (x - 3)(x + 3)(x + 1)
Step 4: (x2 - 9)(x + 1); Step 5: (x - 3)(x + 3)(x + 1)

Answer 1

will medal, fan, testimonial

Answer 2

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Answer 3

One sec..