Question

b
C
a
Ecuación
2
-8
6
5
-7
5
8
9
7
2x2 + 6x – 8 = 0
-5x2 = 7x - 5
8x + 9 = 7x2
x² – 7= 14x
2x2 = 9
3x2 - 3x + 9 = 0
0
-7.
14
2.
1
-9
3
-3
9​

Answer 1

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