One of the roots of a quadratic equation x2 -x + m = 0 is -2, therefore the value of m is?
(6, 2 -6, -2)
Please give me a step by step explanation, would be greatful. The right answer will surely be marked as the brainliest.
Answers
Answered by
2
Answer:
m= -6
Step-by-step explanation:
x²-x+m=0
-2 is one of the root of this equation
Means, x=-2
putting the value of x as-2 in equation
(-2)²-(-2)+m=0
4+2+m=0
6+m=0
m= -6
Answered by
7
Answer:
x = -2 is one of the roots of given equation.
Put x = -2 in the given equation x² - x + m = 0
(-2)² - (-2) + m = 0
4 + 2 + m = 0
6 + m = 0
m = -6
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