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03-11-2020
Mathematics

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the soloutions to the equation 2x^2 + x - 1 = 2 are x= -3/2 or x=___

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sqdancefan sqdancefan

03-11-2020

9514 1404 393

Answer:

x = 1

Step-by-step explanation:

Subtracting 2 puts the equation in standard form:

2x^2 +x -3 = 0

The product of the solutions is the ratio of the constant term to the leading coefficient: -3/2.

For solutions -3/2 and 'p', we have ...

-3/2p = -3/2

p = 1

The other solution is x = 1.

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