Find the range of x for which (x + 2) (x + 5) > 40?
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Answer:
Step-by-step explanation:
(x + 2)(x + 5) > 40
x^2 + 7x + 10 > 40
x^2 + 7x - 30 > 0
(x - 3)(x + 10) > 0
x € (- infinity, - 10) U (3 , infinity)
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Find the range of x for which (x + 2) (x + 5) > 40?
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