The roots of a quadratic equation are -3 and 1. Find its equation.
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Answered by
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Answer:
x² + 2x - 3
Step-by-step explanation:
a quadratic equation with roots a and b can be expressed as x²-(a+b)x + ab
here, roots are -3 and 1
therefore, the equation will be :
x² - (-3+1)x + (-3)(1)
= x² -(-2)x + (-3)
= x² + 2x - 3
Answered by
0
Answer:
the formula is easy to remember
Step-by-step explanation:
you can do it easily
then what is the problem you get consult your teacher
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