If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = 12x2 + -42x + 5 Reorder the terms: 0 = 5 + -42x + 12x2 Solving 0 = 5 + -42x + 12x2 Solving for variable 'x'. Combine like terms: 0 + -5 = -5 -5 + 42x + -12x2 = 5 + -42x + 12x2 + -5 + 42x + -12x2 Reorder the terms: -5 + 42x + -12x2 = 5 + -5 + -42x + 42x + 12x2 + -12x2 Combine like terms: 5 + -5 = 0 -5 + 42x + -12x2 = 0 + -42x + 42x + 12x2 + -12x2 -5 + 42x + -12x2 = -42x + 42x + 12x2 + -12x2 Combine like terms: -42x + 42x = 0 -5 + 42x + -12x2 = 0 + 12x2 + -12x2 -5 + 42x + -12x2 = 12x2 + -12x2 Combine like terms: 12x2 + -12x2 = 0 -5 + 42x + -12x2 = 0 Begin completing the square. Divide all terms by -12 the coefficient of the squared term: Divide each side by '-12'. 0.4166666667 + -3.5x + x2 = 0 Move the constant term to the right: Add '-0.4166666667' to each side of the equation. 0.4166666667 + -3.5x + -0.4166666667 + x2 = 0 + -0.4166666667 Reorder the terms: 0.4166666667 + -0.4166666667 + -3.5x + x2 = 0 + -0.4166666667 Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000 0.0000000000 + -3.5x + x2 = 0 + -0.4166666667 -3.5x + x2 = 0 + -0.4166666667 Combine like terms: 0 + -0.4166666667 = -0.4166666667 -3.5x + x2 = -0.4166666667 The x term is -3.5x. Take half its coefficient (-1.75). Square it (3.0625) and add it to both sides. Add '3.0625' to each side of the equation. -3.5x + 3.0625 + x2 = -0.4166666667 + 3.0625 Reorder the terms: 3.0625 + -3.5x + x2 = -0.4166666667 + 3.0625 Combine like terms: -0.4166666667 + 3.0625 = 2.6458333333 3.0625 + -3.5x + x2 = 2.6458333333 Factor a perfect square on the left side: (x + -1.75)(x + -1.75) = 2.6458333333 Calculate the square root of the right side: 1.626601775 Break this problem into two subproblems by setting (x + -1.75) equal to 1.626601775 and -1.626601775.Subproblem 1
x + -1.75 = 1.626601775 Simplifying x + -1.75 = 1.626601775 Reorder the terms: -1.75 + x = 1.626601775 Solving -1.75 + x = 1.626601775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.75' to each side of the equation. -1.75 + 1.75 + x = 1.626601775 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + x = 1.626601775 + 1.75 x = 1.626601775 + 1.75 Combine like terms: 1.626601775 + 1.75 = 3.376601775 x = 3.376601775 Simplifying x = 3.376601775Subproblem 2
x + -1.75 = -1.626601775 Simplifying x + -1.75 = -1.626601775 Reorder the terms: -1.75 + x = -1.626601775 Solving -1.75 + x = -1.626601775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.75' to each side of the equation. -1.75 + 1.75 + x = -1.626601775 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + x = -1.626601775 + 1.75 x = -1.626601775 + 1.75 Combine like terms: -1.626601775 + 1.75 = 0.123398225 x = 0.123398225 Simplifying x = 0.123398225Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.376601775, 0.123398225}
| √x=x/3 | | 5t^2+20t=100 | | z^5-1024=0 | | x-21/11 | | 0.1(x+100)+0.3x=14 | | 1/4x-1/8y=4 | | 15w-25w+10=4 | | 20+9b=10 | | 9x-25+4x-16=4 | | 2a-17+20-9= | | 2x(2x+1)=7 | | 6x^2+10x+k=0 | | 28m=28m+14 | | x-6+x+2[(x-6)+x]=84 | | sqrt(8x+9)-sqrt(6x-5)=2 | | h(x)=x^2-5 | | 8a^2-9a-9=4-3a | | 9+11z-1=8z+50-4z | | (X+3)(8x+3x-5)= | | 12c-5=3c | | 4(t-2)+8t=12t+16-10 | | 6.7(-2.3)= | | 3-3xn=8-2xn | | 6x+10x=144 | | -3n+-18+10=-8 | | 2(y-2)-4y=2(y-9) | | 1+25b^2=0 | | 6s^3+x^2-54x-9=0 | | 1+25b^2=10 | | (16b-1)-5(3b+1)=-6 | | x(x+2)=7x | | x(x+2)=7 |