sonya4148
sonya4148
07-11-2020
Mathematics
contestada
What is?
X^2 + x - 12= 0
Respuesta :
Hello2104
Hello2104
07-11-2020
Answer:
x=3 and x=-4
x^2-3x+4x-12=0
x(x-3)+4(x-3)
(x+4)(x-3)=0
x=-4 x=3
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