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