Igoroleshko156 this question is for you ...

The polynomial P (x) = 2x^2-5x-42 can be factored as P (x) = (x-6) (2x+7). What are the zeros of the polynomial?

Enter your answers separated by a comma. Use the "/" symbol for fractions, if necessary. For example, if your answers are 42 and 314, enter your answer like this: 42, 3/14

Question

Mathematics

Saul Collier

23 September, 19:00

Igoroleshko156 this question is for you ...

The polynomial P (x) = 2x^2-5x-42 can be factored as P (x) = (x-6) (2x+7). What are the zeros of the polynomial?

Enter your answers separated by a comma. Use the "/" symbol for fractions, if necessary. For example, if your answers are 42 and 314, enter your answer like this: 42, 3/14

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Answers (1)

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Ezra · Answer 1

x = 6, - 7/2

Step-by-step explanation:

p (x) = 2x^2 - 5x - 42

p (x) = (x - 6) (2x + 7)

x - 6 + 6 = 0 + 6

x = 6

2x + 7 - 7 = 0 - 7

2x / 2 = - 7 / 2

x = - 7/2

Answer: x = 6, - 7/2