Question

is x=1 roots of quadratic equation x2-3x-4=0​

Answer 1

x²-3x-4 = 0

=> x² - 4x + x - 4 = 0

=> x(x-4) + 1(x-4) = 0

=> (x+1) (x-4) = 0

=> x+1 = 0 or x-4 = 0

=> x = -1 or x = 4

So, “x = 1” is not a root of the above quadratic equation .

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Answer 2

Explanation:

x=-1rooto the Quadratic Equation X2-3x-4=0