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(x)4-6(x)3-4(x)2+15x+4=0
We simplify the equation to the form, which is simple to understand
(x)4-6(x)3-4(x)2+15x+4=0
Reorder the terms in parentheses
(+4x)-6*(x)*3-4*(x)*2+15x+4=0
Remove unnecessary parentheses
+4x-6*(x)*3-4*(x)*2+15x+4=0
Reorder the terms in parentheses
+4x+(-6x)*3-4*(x)*2+15x+4=0
Reorder the terms in parentheses
+4x+(-18x)-4*(x)*2+15x+4=0
Remove unnecessary parentheses
+4x-18x-4+*(+x+)+*2+15x+4=0
Reorder the terms in parentheses
+4x-18x+(-4x)*2+15x+4=0
Reorder the terms in parentheses
+4x-18x+(-8x)+15x+4=0
Remove unnecessary parentheses
+4x-18x-8x+15x+4=0
We move all terms containing x to the left and all other terms to the right.
+4x-18x-8x+15x=0-4
We simplify left and right side of the equation.
-7x=-4
We divide both sides of the equation by -7 to get x.
x=0.57142857142857
| 6(1.5-1.75b)+5b=20 | | 2(3x-1)=2(4x+5) | | -9u-8=-8 | | 6=.83v | | -7(x+8)=4x+32 | | 9v=-9 | | 4x+8-7(x+1)=5x+6 | | 3(x+2)=8(x-2)-3 | | .25x^2-8x-45=0 | | (5a+3b-8c)+(2a+b-6c)= | | -6x+3=27+2x | | 34-2n=5n+3(1+8n) | | .70b=84 | | 53+1u=3.2u-2.7 | | .75x+1.5x=2.25 | | y=5k-10 | | 7x-71=34 | | .70=84 | | 12+10x+0.5x^2=762 | | 7x-71=4x | | 10(z+1)-3(z-1)=4(z-2)+2(z-1) | | 10=r+4-3r | | 12+10x+0.5x^2=900 | | 18-4v=43 | | 6z-5z=12 | | -41+11x=36 | | 2-4n+2n=14 | | 38+x=90 | | -2n-2/3= | | =7ln(x) | | 12+6x=153 | | -1.08x=-1.8 |