If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -4.9x2 + 30x + 5 = 0 Reorder the terms: 5 + 30x + -4.9x2 = 0 Solving 5 + 30x + -4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. -1.020408163 + -6.12244898x + x2 = 0 Move the constant term to the right: Add '1.020408163' to each side of the equation. -1.020408163 + -6.12244898x + 1.020408163 + x2 = 0 + 1.020408163 Reorder the terms: -1.020408163 + 1.020408163 + -6.12244898x + x2 = 0 + 1.020408163 Combine like terms: -1.020408163 + 1.020408163 = 0.000000000 0.000000000 + -6.12244898x + x2 = 0 + 1.020408163 -6.12244898x + x2 = 0 + 1.020408163 Combine like terms: 0 + 1.020408163 = 1.020408163 -6.12244898x + x2 = 1.020408163 The x term is -6.12244898x. Take half its coefficient (-3.06122449). Square it (9.371095378) and add it to both sides. Add '9.371095378' to each side of the equation. -6.12244898x + 9.371095378 + x2 = 1.020408163 + 9.371095378 Reorder the terms: 9.371095378 + -6.12244898x + x2 = 1.020408163 + 9.371095378 Combine like terms: 1.020408163 + 9.371095378 = 10.391503541 9.371095378 + -6.12244898x + x2 = 10.391503541 Factor a perfect square on the left side: (x + -3.06122449)(x + -3.06122449) = 10.391503541 Calculate the square root of the right side: 3.22358551 Break this problem into two subproblems by setting (x + -3.06122449) equal to 3.22358551 and -3.22358551.Subproblem 1
x + -3.06122449 = 3.22358551 Simplifying x + -3.06122449 = 3.22358551 Reorder the terms: -3.06122449 + x = 3.22358551 Solving -3.06122449 + x = 3.22358551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.06122449' to each side of the equation. -3.06122449 + 3.06122449 + x = 3.22358551 + 3.06122449 Combine like terms: -3.06122449 + 3.06122449 = 0.00000000 0.00000000 + x = 3.22358551 + 3.06122449 x = 3.22358551 + 3.06122449 Combine like terms: 3.22358551 + 3.06122449 = 6.28481 x = 6.28481 Simplifying x = 6.28481Subproblem 2
x + -3.06122449 = -3.22358551 Simplifying x + -3.06122449 = -3.22358551 Reorder the terms: -3.06122449 + x = -3.22358551 Solving -3.06122449 + x = -3.22358551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.06122449' to each side of the equation. -3.06122449 + 3.06122449 + x = -3.22358551 + 3.06122449 Combine like terms: -3.06122449 + 3.06122449 = 0.00000000 0.00000000 + x = -3.22358551 + 3.06122449 x = -3.22358551 + 3.06122449 Combine like terms: -3.22358551 + 3.06122449 = -0.16236102 x = -0.16236102 Simplifying x = -0.16236102Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.28481, -0.16236102}
| 1/6*24 | | 69-3b=48 | | M^2(9m+15)=14m | | x+82+21=45.7 | | 2/7x-3/4=-13 | | 0.4=k*1.8 | | 10a-10+8a-8= | | r^2+5r+5=0 | | 3+17r-2=9r+31-2r | | (3x^2+5)(5x-5)= | | 12y^2-y-20=0 | | 6(9x-2)=42 | | 2(4a-12)+3a=6x+1 | | 32x^2+32x+8=0 | | V=5x+5 | | 4w=180 | | x=2x+83 | | (y-9)(y+16)=0 | | 5/5*2 | | 80x+40=90 | | 3/2=3x1/2 | | 4x^2-9x=13 | | 12/2=12x1/2 | | 5+(3(-3)+6)= | | (-9÷4)-(4÷9)a=(16/27) | | .5x+14=46 | | M^2+7m+m^2=0 | | (30-2x)(20-3x)=400 | | 1x+14=46 | | 3(y-3)+2(y+2)=30 | | 23=4(n+7)-5 | | -3.1s=7.75 |