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26 June, 16:39

Solve 2x2 + 5x = 12

a) x = 3/2 and x = - 4

b) x = 2 and x = - 3

c) x=-6 and x = 5

d) x = 1/2 and x = 1/3

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Answers (1)
  1. 26 June, 18:10
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    2x2+5x=12, 2x+5x=7x, 12+2=14, 7x/7=14/7, x=2
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