If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 42x + -90 + 9x2 = 0 Reorder the terms: -90 + 42x + 9x2 = 0 Solving -90 + 42x + 9x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3'. 3(-30 + 14x + 3x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-30 + 14x + 3x2)' equal to zero and attempt to solve: Simplifying -30 + 14x + 3x2 = 0 Solving -30 + 14x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -10 + 4.666666667x + x2 = 0 Move the constant term to the right: Add '10' to each side of the equation. -10 + 4.666666667x + 10 + x2 = 0 + 10 Reorder the terms: -10 + 10 + 4.666666667x + x2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + 4.666666667x + x2 = 0 + 10 4.666666667x + x2 = 0 + 10 Combine like terms: 0 + 10 = 10 4.666666667x + x2 = 10 The x term is 4.666666667x. Take half its coefficient (2.333333334). Square it (5.444444448) and add it to both sides. Add '5.444444448' to each side of the equation. 4.666666667x + 5.444444448 + x2 = 10 + 5.444444448 Reorder the terms: 5.444444448 + 4.666666667x + x2 = 10 + 5.444444448 Combine like terms: 10 + 5.444444448 = 15.444444448 5.444444448 + 4.666666667x + x2 = 15.444444448 Factor a perfect square on the left side: (x + 2.333333334)(x + 2.333333334) = 15.444444448 Calculate the square root of the right side: 3.929942041 Break this problem into two subproblems by setting (x + 2.333333334) equal to 3.929942041 and -3.929942041.Subproblem 1
x + 2.333333334 = 3.929942041 Simplifying x + 2.333333334 = 3.929942041 Reorder the terms: 2.333333334 + x = 3.929942041 Solving 2.333333334 + x = 3.929942041 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.333333334' to each side of the equation. 2.333333334 + -2.333333334 + x = 3.929942041 + -2.333333334 Combine like terms: 2.333333334 + -2.333333334 = 0.000000000 0.000000000 + x = 3.929942041 + -2.333333334 x = 3.929942041 + -2.333333334 Combine like terms: 3.929942041 + -2.333333334 = 1.596608707 x = 1.596608707 Simplifying x = 1.596608707Subproblem 2
x + 2.333333334 = -3.929942041 Simplifying x + 2.333333334 = -3.929942041 Reorder the terms: 2.333333334 + x = -3.929942041 Solving 2.333333334 + x = -3.929942041 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.333333334' to each side of the equation. 2.333333334 + -2.333333334 + x = -3.929942041 + -2.333333334 Combine like terms: 2.333333334 + -2.333333334 = 0.000000000 0.000000000 + x = -3.929942041 + -2.333333334 x = -3.929942041 + -2.333333334 Combine like terms: -3.929942041 + -2.333333334 = -6.263275375 x = -6.263275375 Simplifying x = -6.263275375Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.596608707, -6.263275375}Solution
x = {1.596608707, -6.263275375}
| x^2+4x=-22 | | (2n-3)(n+7)=0 | | (x+2)(x-2+2x-8)=(x+1)(x+1+2x-5) | | In(x-1)+In(x+2)=In(6x-8) | | 1/2/4/-5 | | 3(x-1)=4(3x+6) | | tan^2(2x)=3 | | 4y-10x=34 | | 7sinx-10cosx=0 | | j-87=62 | | 3x^2+11x-12600=0 | | 425=n-75+175 | | 1/5abc*14 | | 4u+v+10u+16v= | | f(7)=3(4-x) | | 4y-48=100 | | (9x+5)+(5x+6)=221 | | 6x+8-10x-15-2=14x-28+16-10x+3x | | 4+3x=5x-14 | | Y-20=-20/30(x-10) | | -7+2a=3a-6 | | D=9/5(m-29) | | Y+3*6= | | 786348731927625706465146747864738657834658796138746508793465087647806+63748628793159473972153453978312671596451475495x=8764328756439876520875698034650827936587+634786347865328326327565871856813657136x | | (3x-4)(5x+8)= | | 48939659766786865743975983485729843739865764572480957647567498075746574895743876574987209757620857674657625027504657645872306520438756746+84376587346523482076574659456x=473672869287603659784369576258795624987657465946549586762563204780592+8743895684398630 | | (6x-3)-1=(15x-10)+3 | | (3x-10)/(x-4)=3 | | (x*204.73)+(y*160.92)=177.79 | | 348968935935794698376754849325647589436524386546762986+983749386248277849765743657896x=7436598347567439826876527384658765980246057246+846876387x | | B=xn+xforn | | 2x+x+4=-20 |