Question

is x=-1a root of the quadratic equation xsquare -3x-4=0?
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Answer 1

Answer:

-1a is the answer

Step-by-step explanation:

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Answer 2

Answer:

quadratic equation= x² -3x-4=0

putting x=-1 ,

we get --

(-1)² -3(-1) -4 =0

1 +3 -4=0

0=0

So ,

Yes x=-1 is a root of the given quadratic equation

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