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3 years ago

9

Rewrite

2-9" align="absmiddle" class="latex-formula"> in standard form
Quick pls

1 answer:

horrorfan [7]3 years ago

8 0

Answer: f(x)=x^(2)+14x+40

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Solve this problem out

Phoenix [80]

Solving the equation $2x^2-12x+6=0$ using completing square method we get $(x+3)^2=6$

So, Option A is correct.

Step-by-step explanation:

We need to solve the equation $2x^2-12x+6=0$ using completing square method.

Solving using completing square method

$2x^2-12x+6=0$

For completing the square we need to make formula a^2-2ab+b^2=(a-b)^2

Divide the equations by 2

$x^2-6x+3=0$

$x^2-6x+3=0$

Adding and subtracting (3)^2 on both sides.

$(x)^2-2(x)(3)+(3)^2-9+3=0$

$(x+3)^2-6=0$

$(x+3)^2=6$

Solving the equation $2x^2-12x+6=0$ using completing square method we get $(x+3)^2=6$

So, Option A is correct.

Keywords: Solving Quadratic Equation

Learn more about Solving Quadratic Equation at:

#learnwithBrainly

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Morgarella [4.7K]

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If the lengths of the legs of a right triangle are 5 and 12, what is the length of the hypotenuse?

kondor19780726 [428]

Answer:

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Step-by-step explanation:

If we have a right triangle, we can use the Pythagorean theorem to find the hypotenuse

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5^2 + 12^2 = c^2

25+144= c^2

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Take the square root of each side

sqrt(169) = sqrt(c^2)

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