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Arturiano [62]
3 years ago
12

Can somebody please help me with this question!! I will appreciate the help dearly

Mathematics
1 answer:
SpyIntel [72]3 years ago
7 0

Answer: -7, 7

Step-by-step explanation:

-2x^2 - 9 = -107

-2x^2 + 98 = 0 (add 107 to both sides)

-2(x - 49) = 0 (factor out -2)

-2(x - 7)(x + 7) = 0 (factor)

x - 7 = 0

x = 7

x + 7 = 0

x = -7

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