If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 14x2 + -28x = 80 Reorder the terms: -28x + 14x2 = 80 Solving -28x + 14x2 = 80 Solving for variable 'x'. Reorder the terms: -80 + -28x + 14x2 = 80 + -80 Combine like terms: 80 + -80 = 0 -80 + -28x + 14x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-40 + -14x + 7x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-40 + -14x + 7x2)' equal to zero and attempt to solve: Simplifying -40 + -14x + 7x2 = 0 Solving -40 + -14x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -5.714285714 + -2x + x2 = 0 Move the constant term to the right: Add '5.714285714' to each side of the equation. -5.714285714 + -2x + 5.714285714 + x2 = 0 + 5.714285714 Reorder the terms: -5.714285714 + 5.714285714 + -2x + x2 = 0 + 5.714285714 Combine like terms: -5.714285714 + 5.714285714 = 0.000000000 0.000000000 + -2x + x2 = 0 + 5.714285714 -2x + x2 = 0 + 5.714285714 Combine like terms: 0 + 5.714285714 = 5.714285714 -2x + x2 = 5.714285714 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 5.714285714 + 1 Reorder the terms: 1 + -2x + x2 = 5.714285714 + 1 Combine like terms: 5.714285714 + 1 = 6.714285714 1 + -2x + x2 = 6.714285714 Factor a perfect square on the left side: (x + -1)(x + -1) = 6.714285714 Calculate the square root of the right side: 2.591193878 Break this problem into two subproblems by setting (x + -1) equal to 2.591193878 and -2.591193878.Subproblem 1
x + -1 = 2.591193878 Simplifying x + -1 = 2.591193878 Reorder the terms: -1 + x = 2.591193878 Solving -1 + x = 2.591193878 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 2.591193878 + 1 Combine like terms: -1 + 1 = 0 0 + x = 2.591193878 + 1 x = 2.591193878 + 1 Combine like terms: 2.591193878 + 1 = 3.591193878 x = 3.591193878 Simplifying x = 3.591193878Subproblem 2
x + -1 = -2.591193878 Simplifying x + -1 = -2.591193878 Reorder the terms: -1 + x = -2.591193878 Solving -1 + x = -2.591193878 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -2.591193878 + 1 Combine like terms: -1 + 1 = 0 0 + x = -2.591193878 + 1 x = -2.591193878 + 1 Combine like terms: -2.591193878 + 1 = -1.591193878 x = -1.591193878 Simplifying x = -1.591193878Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.591193878, -1.591193878}Solution
x = {3.591193878, -1.591193878}
| 1.3(9x+3)=-5 | | 7v+9-3(-3v-1)=6(v-1) | | 20+8x-5=9x+7 | | 10x-7x-17=25 | | b(3b-4)=4 | | 10+(7-4)*5= | | 9[5-9(x-1)]+7[(3x+5)-6]=13x-338 | | 10-4n=-62 | | ln(3)+ln(x)=7 | | (10+x)+x+(x+5)=180 | | 2y+3x=3-3x-y | | 5(-4)+6=2(-4)-2+-4 | | 2.99+0.05x=10.09 | | 6x+4x-115=115 | | 4x-6=-12+3x | | 6.1=8.8-0.3x | | 8x-59=x+130 | | 2(x-5)+7=-3 | | 15(x)=36 | | z-0.09=2.22-0.1x | | .5x-3+1=2x-20-3 | | (x-1)(2x-3)=2x-17 | | -90=3x+5x-10 | | f(3)=-3x | | 5x+3(2x-9)=-21 | | y+1=2(x-4) | | Y-4=0.7(x-3.5) | | -6(-2x-2)=108 | | 3s+-5=-11 | | x-4x=6x+18 | | -3x+9=5x-71 | | 3(1+2x)=-6x+87 |