anna says that the equation (X + 9) (x-3) = 0 and x² + 6x - 18 = 0 has the same roots. is she correct? show with my finding the roots of the two equation
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Answer:
she is correct
Step-by-step explanation:
because,
(x + 9) (x - 3) = 0
x + 9 = 0 , x - 3 = 0
x1 = -9 , x2 = 3
x² + 6x - 18 = 0
(x + 9) (x - 3) = 0
x + 9 = 0 , x - 3 = 0
x1 = -9 , x2 = 3
therefore, Anna is correct.