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pshichka [43]
3 years ago
6

Let f(x) = 2x2 − 2x + 7 and g(x) = x2 + 9x − 6. Find f(x) − g(x).

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0

Answer:

Given information :

f(x) = 2x^2-2x+7\\g(x) = x^2+9x-6

Find f(x) - g(x)

f(x)-g(x) = (2x^2-2x+7) - (x^2+9x-6)

Distribute the negative to the second polynomial

f(x)-g(x)=2x^2-2x+7 -x^2 -9x + 6

optional : rearrange the terms

f(x)-g(x)=2x^2-x^2-2x-9x+7+6

Combine like terms and find f(x) - g(x)

f(x)-g(x) = x^2 - 11x + 13

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Answer:

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2 years ago
A l-meter steel rod is bent into a rectangle so that its length exceeds quadruple its width
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Answer:

The dimensions of the newly formed rectangle is length is 41 cm and width is 9 cm.

Step-by-step explanation:

Given,

A 1 meter steel rod is bent into a rectangle.

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Let the width of the rectangle be 'x'.

Now According to question, length exceeds quadruple its width by 5 cm.

Hence framing the above sentence in equation form, we get;

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Answer:

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Step-by-step explanation:

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