Taylormolloy
Taylormolloy
15-03-2016
English
contestada
What does X times (3x-6) = 45
Respuesta :
RASEA23
RASEA23
15-03-2016
x(3x-6)=45
Distribute:
3x^2-6x-45=0
3x^2-15x+9x-45=0
3x(x-5)+9(x-5)=0
(3x+9)(x-5)=0
3x+9=0 OR x-5=0
3x=-9 x=5
x=-3 or x=5
Hope this helps :)
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