Question

a) 9x2 – 25 = 0
b) 3x2 +17x + 18 = -2
c) X 2 = 2x – 1
d) X 2 + (7 – x)2 = 25
e) X – 2 +1 = 5 +1 – 7
f) X 2 + 2 = 6
g) 23x2 = 2(200 – x 2 )
h) 2x – 4 = x2 – 2x
i) X 2 + (x + 2)2 = 580
j) 16x – 8 = −1 x

Answer 1

Respuesta:

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