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Quadratic equation

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How do you solve these? please show steps...

11) Solve by using quadratic formula 3x^2 - 5x + 1 = 0
12) Solve by using quadratic formula 9 - 6x + x^2 = 0
13) Solve by using quadratic formula x^2 - 6x + 10 = 0
14) Solve by using quadratic formula x^2 - 4x + 29 = 0

Evaluate the following

15) f(x) = x + 4

a. f(5) =
b. f(-7) =
c. f(0) =

16) f(x) = 6x + 5

a. f(12) =
b. f(-1/2) =
c. f(0) =

17) h(x) = x2 - 4x + 5

a. h(4) =
b. h(-4) =
c. h(0) =

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The solution gives detailed steps of solving quadratic equation

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How do you solve these? Please show steps...
11) Solve by using quadratic formula 3x^2 - 5x + 1 = 0
= =
X=(0.2324, 1.4342)

12) Solve by using quadratic formula 9 - 6x + x^2 = 0

= = ...

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