If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = (-4.9) * x2 + 40x + 15 Reorder the terms: 0 = 15 + 40x + -4.9x2 Solving 0 = 15 + 40x + -4.9x2 Solving for variable 'x'. Combine like terms: 0 + -15 = -15 -15 + -40x + 4.9x2 = 15 + 40x + -4.9x2 + -15 + -40x + 4.9x2 Reorder the terms: -15 + -40x + 4.9x2 = 15 + -15 + 40x + -40x + -4.9x2 + 4.9x2 Combine like terms: 15 + -15 = 0 -15 + -40x + 4.9x2 = 0 + 40x + -40x + -4.9x2 + 4.9x2 -15 + -40x + 4.9x2 = 40x + -40x + -4.9x2 + 4.9x2 Combine like terms: 40x + -40x = 0 -15 + -40x + 4.9x2 = 0 + -4.9x2 + 4.9x2 -15 + -40x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 -15 + -40x + 4.9x2 = 0.0 Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. -3.06122449 + -8.163265306x + x2 = 0 Move the constant term to the right: Add '3.06122449' to each side of the equation. -3.06122449 + -8.163265306x + 3.06122449 + x2 = 0 + 3.06122449 Reorder the terms: -3.06122449 + 3.06122449 + -8.163265306x + x2 = 0 + 3.06122449 Combine like terms: -3.06122449 + 3.06122449 = 0.00000000 0.00000000 + -8.163265306x + x2 = 0 + 3.06122449 -8.163265306x + x2 = 0 + 3.06122449 Combine like terms: 0 + 3.06122449 = 3.06122449 -8.163265306x + x2 = 3.06122449 The x term is -8.163265306x. Take half its coefficient (-4.081632653). Square it (16.65972511) and add it to both sides. Add '16.65972511' to each side of the equation. -8.163265306x + 16.65972511 + x2 = 3.06122449 + 16.65972511 Reorder the terms: 16.65972511 + -8.163265306x + x2 = 3.06122449 + 16.65972511 Combine like terms: 3.06122449 + 16.65972511 = 19.7209496 16.65972511 + -8.163265306x + x2 = 19.7209496 Factor a perfect square on the left side: (x + -4.081632653)(x + -4.081632653) = 19.7209496 Calculate the square root of the right side: 4.440827581 Break this problem into two subproblems by setting (x + -4.081632653) equal to 4.440827581 and -4.440827581.Subproblem 1
x + -4.081632653 = 4.440827581 Simplifying x + -4.081632653 = 4.440827581 Reorder the terms: -4.081632653 + x = 4.440827581 Solving -4.081632653 + x = 4.440827581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.081632653' to each side of the equation. -4.081632653 + 4.081632653 + x = 4.440827581 + 4.081632653 Combine like terms: -4.081632653 + 4.081632653 = 0.000000000 0.000000000 + x = 4.440827581 + 4.081632653 x = 4.440827581 + 4.081632653 Combine like terms: 4.440827581 + 4.081632653 = 8.522460234 x = 8.522460234 Simplifying x = 8.522460234Subproblem 2
x + -4.081632653 = -4.440827581 Simplifying x + -4.081632653 = -4.440827581 Reorder the terms: -4.081632653 + x = -4.440827581 Solving -4.081632653 + x = -4.440827581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.081632653' to each side of the equation. -4.081632653 + 4.081632653 + x = -4.440827581 + 4.081632653 Combine like terms: -4.081632653 + 4.081632653 = 0.000000000 0.000000000 + x = -4.440827581 + 4.081632653 x = -4.440827581 + 4.081632653 Combine like terms: -4.440827581 + 4.081632653 = -0.359194928 x = -0.359194928 Simplifying x = -0.359194928Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.522460234, -0.359194928}
| 14(m+3)=3(2m-2) | | -6+2(3x-5)+4x= | | 6x+7(4)=4x+4(4) | | 14x+50= | | 6-6n=-7n+9 | | a/6-1=0 | | ln((x-1)x)=1 | | 9x-y=41fory | | 3-1x/8=-2 | | (-5a+6b-3)+(10a-6b+15)= | | 9x-y=41 | | 9a^2+49=42a | | -9v=-10v-7 | | (3x+5)+(-5x+7)= | | 5(3d+2a-5)= | | 9v=-10v-7 | | 2+4p=2 | | f(x)=x^3-2x^2-2 | | -5(7x-5)+4=35x+29 | | 9g=8g+8 | | 2x-4+3x+10+x= | | 25v^2+64=80v | | ydx+(x+x^2y^3)dy=0 | | 4+7x=-2(7x-2) | | 7+10x+3x^2=equation | | -4b-2=30 | | 21x-4-13x=2(4x-3)+2 | | .12p+250p-.05p=460 | | -w+8=7w | | 6x+y+4=8x | | ln(x/60) | | (2x+y)(x+5y)=0 |