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5 April, 21:06

Solve using formula

7x? - 16x-28 = 0

a

b

-3.45, 1.16

2.3, - 2.3

3.45, - 1.16

6.89, - 2.32

c

d

+4
Answers (1)
  1. 6 April, 01:01
    0
    question not clear what does? symbolize
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