Answers

2014-06-22T20:40:09+08:00
2x²+3x=27
2x²+3x-27=0
Factor,
(2x-9)(x+3)
Equate each factor to 0.
2x-9=0
x+3=0
Transpose,
2x=9 divide both sdes by 2
x=9 over 2
x=-3
Solutions:
x= 9 over 2
x=-3

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