• help_people
Some steps to rewrite the expression x3 − 4x + x2 − 4 as a product of three factors are shown below: Step 1: x3 − 4x + x2 − 4 Step 2: x3 + x2 − 4x − 4 Step 3: x2(x + 1) − 4(x + 1) Which of the following best shows the next two steps to rewrite the expression? Step 4: (x2 − 4)(x + 1); Step 5: (x − 2)(x + 2)(x + 1) Step 4: (x2 + 4)(x + 1); Step 5: (x + 2)(x + 2)(x + 1) Step 4: (x2 − 4)(x + 1); Step 5: (x + 2)(x + 2)(x + 1) Step 4: (x2 + 4)(x + 1); Step 5: (x − 2)(x + 2)(x + 1)
Mathematics

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