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In factoring by grouping, what would you have for step 3 for the following?
Step 1: x^3 +5x^2 +4x+20
Step 2: x^2 (x+5)+4(x+5)
Step 3: ?

Respuesta :

wegnerkolmp2741o

Answer:

Factor out the x+5

 (x+5)(x^2+4)

Step-by-step explanation:

Step 1: x^3 +5x^2 +4x+20

Step 2: x^2 (x+5)+4(x+5)

Step 3:   Factor out the x+5

 (x+5)(x^2+4)


choixongdong

Answer:

Step 3: (x^2 + 4)(x + 5)


Step-by-step explanation:

Step 1: x^3 +5x^2 + 4x+20

Step 2: x^2 (x+5) + 4(x+5)

Step 3: (x^2 + 4)(x + 5)

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