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theking7x
The correct answer is answer for that question is f(x) = (2,0)

Explain

F(x)= 2x^2 -14x+20

When f(x) = 0

Take out the 2

2(x^2-7x+10) = 0

Now divide by 2

X^2 -7x+10 = 0
Splitting = -7x= -5x-2x

X^2-5x -2x+10=0

Take x common from -2 as 2

X(x-5)-2(x-5)= 0

Take (x-5) common

(X-5)(x-2)0

X-5=0 x-2=0
X=5. X=2

Now zero of g(x) is 0 at x=19
Which is at x= 2 f(x ) =0

I hope this help you :D