What are the zeros of f(x) = x2 + 3x – 10? A. x = –5 and x = 2 B. x = 5 and x = 2 C. x = –5 and x = –2 D. x = 5 and x = –2

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asked Jul 1, 2019 151k views

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Janaye · Answer 1 · 2019-07-06T22:31:08+0000

Step One
Factor f(x)
f(x) = (x + 5)(x - 2)

Step Two
The zeros occur when either (x + 5) = 0 or (x - 2) = 0

x + 5 = 0
x = -5

x - 2 =0
x = 2

Step 3
Record the zeros
(-5,0) or (2,0) <<<<<< answer.

What are the zeros of f(x) = x2 + 3x – 10? A. x = –5 and x = 2 B. x = 5 and x = 2 C. x = –5 and x = –2 D. x = 5 and x = –2

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