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irinina [24]
3 years ago
5

-x -20 = 4x - 5

Mathematics
2 answers:
melomori [17]3 years ago
6 0

Answer:

x=-3

Step-by-step explanation:

-x-20=4x-5

-20=5x-5

-15=5x

x=-3

Arlecino [84]3 years ago
3 0

Answer:-

-3

Step-by-step explanation:

-x - 20 = 4x - 5 ->   -20 = 5x - 5   ->   -15 = 5x  ->   x = -3

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Artist 52 [7]

Answer:

The required form is y=(x+7)^2-9.

Step-by-step explanation:

Consider the provided quadratic function.

y=x^2 + 14x + 40

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Add and subtract 49 in order to make the above function a perfect square.

y=x^2 + 14x+49-49 + 40

y=x^2 + 14x+7^2-49 + 40

y=(x+7)^2-49 + 40

y=(x+7)^2-9

Hence, the required form is y=(x+7)^2-9.

5 0
3 years ago
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posledela

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Step-by-step explanation:

This process is called cross multiplication.

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