hajar16
hajar16
05-02-2021
Mathematics
contestada
3(x^2-1) + 4(x^2 - 3) = 13
solve for x
Respuesta :
merimuradyany
merimuradyany
05-02-2021
Answer:
x=2, x=-2
Step-by-step explanation:
3x²-3+4x²-12=13
7x²=13+12+3
7x²=28
x²=4
x=-2
x=2
Answer Link
bbffghjjkvc2
bbffghjjkvc2
05-02-2021
X =-2 should bring the correct answer
Answer Link
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