Question

Escreva as equaçôes na forma geral e resolva:
1) (3x²-2)²=(2-x)²

2) 3x²+3/4 - 17-x²/2 = 8

Answer 1

1.

3x²-2=2-x
3x²-2-2+x=0
3x²+x-4=0
a=3 b=1 c=-4
∆=b²-4a.c
∆=(1²)-4*3*(-4)
∆=1+48
∆=49

x=-b±√(∆)/2*a
x=-1±7/6
x'=1
x"=-8/6
x"=-4/3

depois faco o restante