1)<=>4x√4x-3=3x^2-3+4x
<=>16x^2(4x-3)=9x^4+9+16x^2-18x^2+24x^3-24x
<=>64x^3-48x^2=9x^4+9-2x^2+24x^3-24x
<=>40x^3-46x^2-9x^4-9+24x=0
<=>-9x^4+9x^3+31x^3-31x^2-15x^2+15x+9x-9=0
<=>-9x^3(x-1)+31x^2(x-1)-15x(x-1)+9(x-1)=0
<=>-(x-1)(9x^3-31x^2+15x-9)=0
<=>-(x-1)(x-3)(9x^2-4x+3)=0
<=>x-1=0=>x=1
x-3=0=>x=3
9x^2-4x+3=0=>x€R
2)<=>7√x^3+1=x^2+5x+7
<=>49(x^3+1)=x^4+25x^2+49+10x^3+14x^2+70x
<=>49x^3-x^4-39x^2-10x^3-70x=0
<=>39x^3-x^4-39x^2-70x=0
<=>x(39x^2-x^3-39x-70)=0
<=>x(-x^3+2x^2+37x^2-74x+35x-70)=0
<=>x(-x^2(x-2)+37x(x-2)+35(x-2)=0
<=>x(x-2)(x^2-37x-35)=0
<=>x=0
x-2=0=>x=2
x^2-37x-35=0=>x=37+√1509/2
=>x=37-√1509/2
