If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -8x + -7 = 5 Reorder the terms: -7 + -8x + 3x2 = 5 Solving -7 + -8x + 3x2 = 5 Solving for variable 'x'. Reorder the terms: -7 + -5 + -8x + 3x2 = 5 + -5 Combine like terms: -7 + -5 = -12 -12 + -8x + 3x2 = 5 + -5 Combine like terms: 5 + -5 = 0 -12 + -8x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -4 + -2.666666667x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + -2.666666667x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + -2.666666667x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2.666666667x + x2 = 0 + 4 -2.666666667x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -2.666666667x + x2 = 4 The x term is -2.666666667x. Take half its coefficient (-1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. -2.666666667x + 1.777777780 + x2 = 4 + 1.777777780 Reorder the terms: 1.777777780 + -2.666666667x + x2 = 4 + 1.777777780 Combine like terms: 4 + 1.777777780 = 5.77777778 1.777777780 + -2.666666667x + x2 = 5.77777778 Factor a perfect square on the left side: (x + -1.333333334)(x + -1.333333334) = 5.77777778 Calculate the square root of the right side: 2.403700851 Break this problem into two subproblems by setting (x + -1.333333334) equal to 2.403700851 and -2.403700851.Subproblem 1
x + -1.333333334 = 2.403700851 Simplifying x + -1.333333334 = 2.403700851 Reorder the terms: -1.333333334 + x = 2.403700851 Solving -1.333333334 + x = 2.403700851 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = 2.403700851 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = 2.403700851 + 1.333333334 x = 2.403700851 + 1.333333334 Combine like terms: 2.403700851 + 1.333333334 = 3.737034185 x = 3.737034185 Simplifying x = 3.737034185Subproblem 2
x + -1.333333334 = -2.403700851 Simplifying x + -1.333333334 = -2.403700851 Reorder the terms: -1.333333334 + x = -2.403700851 Solving -1.333333334 + x = -2.403700851 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = -2.403700851 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = -2.403700851 + 1.333333334 x = -2.403700851 + 1.333333334 Combine like terms: -2.403700851 + 1.333333334 = -1.070367517 x = -1.070367517 Simplifying x = -1.070367517Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.737034185, -1.070367517}
| n^2+6n-72=0 | | 6y-2+4x+20=128 | | -3(3x+15)=35-(10+x) | | 5(x+4)+9=29 | | 2(1+4n)=14+6n | | 36=-12+3x | | P+33=90 | | (4x^3)+(12x^2)-(64x)-(192)=0 | | 5x^2-6=7x | | 7-3(5t+-10)=-10 | | 6x-4=3x+12 | | -6(4x-1)=-282 | | -2u^2+3u+10=0 | | m-2=14 | | x^2-17x+158=0 | | -3(-9-7x)=-204 | | -12(x+6.2)=69 | | 9ln(x+5)-5lnx= | | 18x^5+21x^2+12x= | | y+3.8=1.6 | | 35t^2-24t+4=0 | | 15x-5=30x+10 | | 4-1=y+4 | | 2(-1+9n)+60=-7(n+6) | | 2(m-3)+8=m-8 | | -(4m+5)+3m=-19 | | 7d+21= | | -2+10p=8p+1 | | -10(x-2)-(x-6)=81 | | 6h+3=12 | | -5x+2=-38-x | | (4x+12)+(2x-5)= |