Question

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

Answer 1

x = 6, -7/2

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