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NeTakaya
3 years ago
6

Factor the polynomial. b^2 + 4b + 4

Mathematics
2 answers:
solmaris [256]3 years ago
7 0

Answer:

(b + 2)(b + 2)

Step-by-step explanation:

Factor the polynomial.  

b^2 + 4b + 4

Sum of 4 which product is 4

Sum: 1 + 3 = 4

      2 + 2 = 4

Product: 1 × 4 = 4

             2 × 2 = 4

We use 2 × 2 because it sum is the same as the product of 4. Because 2 and 4 are perfect square so we have:

b² + 4b + 4  splitted  as

(b + 2)(b + 2) or (b + 2)²

butalik [34]3 years ago
6 0

Answer:

(b + 2)^2

Step-by-step explanation:

b^2 + 4b + 4

It's perfect square: a^2 + 2ab + b^2 = (a + b)^2

So

b^2 + 4b + 4 = (b + 2)^2

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