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DerKrebs [107]
3 years ago
7

Help with 2 questions please.

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
7 0
The first one is C or -6,4
Ne4ueva [31]3 years ago
6 0
X^2 - 2x - 24 = 0
(x - 6)(x + 4) = 0
x - 6 = 0 x = 6
x + 4 =  x = -4
answer x = 6, -4 (last choice)

----------------------

(x+9)^2 = 169
x^2 + 18x + 81 - 169 = 0
x^2 + 18x -88 =0
(x-4)(x+22) = 0
x - 4 = 0 x = 4
x + 22 = 0 x = -22

answer:
4m (last choice)

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