SOLUTION: f(x)=x^2-7x+9

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Question 246161: f(x)=x^2-7x+9
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2-7x+9
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(7+-SQRT[-7^2-4*1*9])/2*1
X=(7+-SQRT[49-36])/2
X=(7+-SQRT13)/2
X=(7+-3.60555)/2
X=(7+3.60555)/2
X=10.60555/2
X=5.3 ANS.
X=(7-3.60555)/2
X=3.39/2
X=1.695 ANS.