Obtain the quadratic equation if roots are -3 and -7.
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Answer:
x²-4x +21
Step-by-step explanation:
Quadratic equation
= x²-(Sum of zeroes)x + product of zeroes
= x²-(-3-(-7))x + (-3)(-7)
= x²-(-3+7)x +21
= x²-4x +21
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