If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -1x + -30 = 30 Reorder the terms: -30 + -1x + 3x2 = 30 Solving -30 + -1x + 3x2 = 30 Solving for variable 'x'. Reorder the terms: -30 + -30 + -1x + 3x2 = 30 + -30 Combine like terms: -30 + -30 = -60 -60 + -1x + 3x2 = 30 + -30 Combine like terms: 30 + -30 = 0 -60 + -1x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -20 + -0.3333333333x + x2 = 0 Move the constant term to the right: Add '20' to each side of the equation. -20 + -0.3333333333x + 20 + x2 = 0 + 20 Reorder the terms: -20 + 20 + -0.3333333333x + x2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -0.3333333333x + x2 = 0 + 20 -0.3333333333x + x2 = 0 + 20 Combine like terms: 0 + 20 = 20 -0.3333333333x + x2 = 20 The x term is -0.3333333333x. Take half its coefficient (-0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. -0.3333333333x + 0.02777777779 + x2 = 20 + 0.02777777779 Reorder the terms: 0.02777777779 + -0.3333333333x + x2 = 20 + 0.02777777779 Combine like terms: 20 + 0.02777777779 = 20.02777777779 0.02777777779 + -0.3333333333x + x2 = 20.02777777779 Factor a perfect square on the left side: (x + -0.1666666667)(x + -0.1666666667) = 20.02777777779 Calculate the square root of the right side: 4.475240527 Break this problem into two subproblems by setting (x + -0.1666666667) equal to 4.475240527 and -4.475240527.Subproblem 1
x + -0.1666666667 = 4.475240527 Simplifying x + -0.1666666667 = 4.475240527 Reorder the terms: -0.1666666667 + x = 4.475240527 Solving -0.1666666667 + x = 4.475240527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 4.475240527 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 4.475240527 + 0.1666666667 x = 4.475240527 + 0.1666666667 Combine like terms: 4.475240527 + 0.1666666667 = 4.6419071937 x = 4.6419071937 Simplifying x = 4.6419071937Subproblem 2
x + -0.1666666667 = -4.475240527 Simplifying x + -0.1666666667 = -4.475240527 Reorder the terms: -0.1666666667 + x = -4.475240527 Solving -0.1666666667 + x = -4.475240527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -4.475240527 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -4.475240527 + 0.1666666667 x = -4.475240527 + 0.1666666667 Combine like terms: -4.475240527 + 0.1666666667 = -4.3085738603 x = -4.3085738603 Simplifying x = -4.3085738603Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.6419071937, -4.3085738603}
| 10x-3=35x-2 | | 6y+7x=1 | | 2x+40=x+73 | | 2=1+n/9 | | [x+7]=3x-5 | | 1=9-8r | | 360=x+72+60+78 | | 4=8+n/2 | | 1+5(8+5n)= | | -3+9(b-10)= | | 9e*7f= | | -6(4+4k)=4 | | 2(x-12)=100 | | 70*0.07+x=0.049(x+70) | | y=-200+-6(-16) | | -5+8(v-6)= | | 2x^2-26x+69=0 | | .67x+.3x=17 | | 52a+12a= | | 360=85+80+100+x | | 173-5x=6x-91 | | .7*2+x=.9(x+2) | | 9(-6-n)= | | -8=-8p+4+9p | | -2+4r=22 | | -4x+2=5x+50 | | 45+12= | | A=y+b | | 97=6-7b | | -4x+3=5x+50 | | -16x^2+4=0 | | -8(k+7)= |