If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 15 + 2x + -3x2 = 0 Solving 15 + 2x + -3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -5 + -0.6666666667x + x2 = 0 Move the constant term to the right: Add '5' to each side of the equation. -5 + -0.6666666667x + 5 + x2 = 0 + 5 Reorder the terms: -5 + 5 + -0.6666666667x + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -0.6666666667x + x2 = 0 + 5 -0.6666666667x + x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -0.6666666667x + x2 = 5 The x term is -0.6666666667x. Take half its coefficient (-0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. -0.6666666667x + 0.1111111112 + x2 = 5 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667x + x2 = 5 + 0.1111111112 Combine like terms: 5 + 0.1111111112 = 5.1111111112 0.1111111112 + -0.6666666667x + x2 = 5.1111111112 Factor a perfect square on the left side: (x + -0.3333333334)(x + -0.3333333334) = 5.1111111112 Calculate the square root of the right side: 2.260776661 Break this problem into two subproblems by setting (x + -0.3333333334) equal to 2.260776661 and -2.260776661.Subproblem 1
x + -0.3333333334 = 2.260776661 Simplifying x + -0.3333333334 = 2.260776661 Reorder the terms: -0.3333333334 + x = 2.260776661 Solving -0.3333333334 + x = 2.260776661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.260776661 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.260776661 + 0.3333333334 x = 2.260776661 + 0.3333333334 Combine like terms: 2.260776661 + 0.3333333334 = 2.5941099944 x = 2.5941099944 Simplifying x = 2.5941099944Subproblem 2
x + -0.3333333334 = -2.260776661 Simplifying x + -0.3333333334 = -2.260776661 Reorder the terms: -0.3333333334 + x = -2.260776661 Solving -0.3333333334 + x = -2.260776661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.260776661 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.260776661 + 0.3333333334 x = -2.260776661 + 0.3333333334 Combine like terms: -2.260776661 + 0.3333333334 = -1.9274433276 x = -1.9274433276 Simplifying x = -1.9274433276Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.5941099944, -1.9274433276}
| g(-1)=2x-2 | | -1.25=(1.06-0.97)*log(x/0.02) | | 57=-60+3x | | -1.25=1.06-0.97)*log(x/0.02) | | g(-4)=2x-2 | | -1.25=1.06-0.97*log(x/0.02) | | 2f(4)=2(4)+4 | | 5(n+5)+5(n-4)=-35 | | x^2-3x-8=-3 | | 42=12-2x | | 35=-5(-r-2)+4(1+4r) | | x^4+4x^3+14x^2+16x+40=0 | | -15=-8ln(3x)+7 | | 8x-65=175 | | 7/x=18 | | 25=-(2x-3)+2(1-x) | | 4x=35.40 | | 3/y=-12 | | (D^2+D-2)y=0 | | 2x/5=40 | | -5(4-2b)=-70 | | 6x-14x+16=-3x+11 | | -7x-6=18+3x | | 8n+14=118 | | n^2+3n-4420=0 | | 7(5x+7)=364 | | (5y-7x)+(6y+8x)=u | | z^21-1=0 | | 5-4x-3x^2=0 | | -7x+7x+3x=-37 | | log[2](3x-1)=2 | | -79=-5(x+5)-4x |