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Mnenie [13.5K]
3 years ago
14

What are the zeros of f(x)=x^2+3x-10

Mathematics
2 answers:
Lelu [443]3 years ago
7 0

Answer:

x= -5 and x= 2

Step-by-step explanation:

vekshin13 years ago
4 0

You must remember that a polynomial is written like so...

ax^2 + bx + c

In this case...

a = 1

b = 3

c = -10

To factor you must find two numbers who both add up to b (3) AND multiply to c (-10)

-2 + 5 = 3

-2 * 5 = -10

so...

(x - 2)(x + 5)

To find the zero you must set each factor equal to zero and solve for for x like so...

x - 2 = 0

x = 2

x + 5 = 0

x = -5

Hope this helped!

~Just a girl in love with Shawn Mendes

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