What is a composite and prime number

1 answer:

5 0

Prime numbers are numbers that we can only divide by 1 and it self.
example- 2 can only be divided by 2 and 1

composite numbers are numbers we can divide by two or more numbers
example- 4 can be divided by 1,2 and 4.

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Answer:

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Step-by-step explanation:

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Part V: If −1 is one of the roots of H(x) = x3 − 7x2 − x + 7, use synthetic division to find the resulting quadratic expression.

Alekssandra [29.7K]

Solve for x over the real numbers:
x^3 - 7 x^2 - x + 7 = 0
The left hand side factors into a product with three terms:
(x - 7) (x - 1) (x + 1) = 0
Split into three equations:
x - 7 = 0 or x - 1 = 0 or x + 1 = 0
Add 7 to both sides:
x = 7 or x - 1 = 0 or x + 1 = 0
Add 1 to both sides:
x = 7 or x = 1 or x + 1 = 0
Subtract 1 from both sides:
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