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Simplifying 3x3 + -15x2 = 252x Reorder the terms: -15x2 + 3x3 = 252x Solving -15x2 + 3x3 = 252x Solving for variable 'x'. Reorder the terms: -252x + -15x2 + 3x3 = 252x + -252x Combine like terms: 252x + -252x = 0 -252x + -15x2 + 3x3 = 0 Factor out the Greatest Common Factor (GCF), '3x'. 3x(-84 + -5x + x2) = 0 Factor a trinomial. 3x((-7 + -1x)(12 + -1x)) = 0 Ignore the factor 3.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7Subproblem 3
Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12Solution
x = {0, -7, 12}
| o=x*tan(x)-0.4 | | 1-x=x+3 | | x^2-(k+4)x+(k+7)=0 | | 1/7x^2-5/7x=0 | | 4.7x^2-2.6x=0 | | 4(2x-1)+2(2x-3)=-22 | | (3)(3)(5)= | | -3+12*x=7 | | 8-x*3=9 | | 4x^3+6x^2-2x+4=0 | | (r+3)(r-5)=6 | | x^2-0.7*x-0.3=0 | | 7x+13x*2= | | 4=7/10*5 | | 4=7/10x5 | | 2345*54= | | 2x-3/4+5=3x | | x*7-13*x*2= | | 3*4x= | | 2(x+15)=7.6 | | x*7=84 | | 2x-24=3x-24 | | 5(x-2)=3x+7 | | 1.5-3x+3x+12= | | 25+2y=-3y | | -7+6x-9+2x= | | -9x-3+9x-3+3x= | | x+(x*0.27)=10900 | | x+(x*0.27)=35000 | | x+(x*0.27)=32735 | | x+(x*0.27)=294615 | | x+(x*0.27)=174600 |