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tatiyna
2 years ago
10

Find all positive and negative integers b such that x^2+bx+9 factors.

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
3 0

Answer:

4x + b

Step-by-step explanation:

The derivative of a polynomial is the sum of the derivative of it's terms. The derivative of a constant term is 0. The derivative of the ( ax to the n) is ( nax to the n-1 )

2 x 2x(²minus¹ )+ bx(¹minus¹)

multiple 2x2

4x²–¹ + bx¹–¹

subtract 1 from 2

4x¹ + bx¹–¹

subtract 1 from 1

4x¹ + bx⁰

for any term t, t¹ = t

4x + bx⁰

for any term t except 0

t⁰ = 1

4x + b x 1

for any term t, t x 1 = t

and 1t = t

4x + b

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