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x in (-oo:+oo)
((4/5)*x^4)/7 = 0
4/35*x^4 = 0 // : 4/35
x^4 = 0
x = 0
x = 0
| 0=4(x-9)+3(x+12)+x | | 4x-2+8x+2=180 | | n*n^3*2n= | | 20=14x-5 | | 3n-7n-6=8 | | X-17sqrtx+66=0 | | 6x+5x=-90 | | 7n=6n+6 | | 7/9y-1/6y | | 3(x-5)+10=42 | | 5(4+c)+1=2(3+c) | | 3(x-5)=-14+7x | | N/-1.1=3.96 | | 60-6+10=x | | 7x+6x=150 | | 6x-17=5-(2+4x) | | (X-2.3)(x+5.9)= | | x+6+10=60 | | 2ln(x+7)-6lnx= | | 2/9x5/12 | | n/-3-5=0 | | 6x(-x+3)= | | 5x-25+9x=14x-25 | | (5x^5)(-4x^2)(7x^5)= | | n/-5-5=0 | | 4/x=8/16 | | -5x-4=41 | | 1/3x4-5/3 | | (9x^4)(-8x^3)(4x^6)= | | 1/12n=2 | | 3.2/9=x/36 | | (4y+8)+(3y-5)+90=180 |