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yawa3891 [41]
3 years ago
11

What are the zeros in the function f(x)=(2x+6)(x-4)

Mathematics
2 answers:
Shtirlitz [24]3 years ago
8 0

Hello from MrBillDoesMath!

Answer:

x = -3, 4

Discussion:

The zeroes of f(x) are the x values where

2x + 6 = 0   =>  x = -3

and

x - 4 = 0   => x = 4

Thank you,

MrB

boyakko [2]3 years ago
6 0

Answer:

(4,0) and (-3,0)

Step-by-step explanation:

Either 2x + 6 = 0 or x - 4 = 0. Solve both of these to get possible values for x

2x +6 =0                   Subtract 6 from both sides.

2x + 6 - 6 = 0 - 6

2x = - 6                     Divide by 2

2x/2 = -6/2

x = - 3

====================

x - 4 = 0                   Add 4 to both sides

x - 4 + 4  = 0 + 4      

x = 4

So the two zero points are

(4,0) and (-3,0)


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