3 years ago

Evaluate -x^2-2x+5 when x=-10

1 answer:

6 0

If I'm correct and the ^ stands for multiplication then the answer should be 5.

The picture is my work just ignore the fraction.

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olga2289 [7]

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Step-by-step explanation:

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Vadim26 [7]

Answer:

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tester [92]

Answer:

multiply the first equation by -2, then add them

Step-by-step explanation:

7x+4y=-4 *-2 7x+4y=-4 *-2 = -14x-8y=8

5x+8y=28

-14x-8y=8 x=-4, y=6

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3 years ago