If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = -4.9x2 + 20x + 1 Reorder the terms: 0 = 1 + 20x + -4.9x2 Solving 0 = 1 + 20x + -4.9x2 Solving for variable 'x'. Combine like terms: 0 + -1 = -1 -1 + -20x + 4.9x2 = 1 + 20x + -4.9x2 + -1 + -20x + 4.9x2 Reorder the terms: -1 + -20x + 4.9x2 = 1 + -1 + 20x + -20x + -4.9x2 + 4.9x2 Combine like terms: 1 + -1 = 0 -1 + -20x + 4.9x2 = 0 + 20x + -20x + -4.9x2 + 4.9x2 -1 + -20x + 4.9x2 = 20x + -20x + -4.9x2 + 4.9x2 Combine like terms: 20x + -20x = 0 -1 + -20x + 4.9x2 = 0 + -4.9x2 + 4.9x2 -1 + -20x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 -1 + -20x + 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'. -0.2040816327 + -4.081632653x + x2 = 0 Move the constant term to the right: Add '0.2040816327' to each side of the equation. -0.2040816327 + -4.081632653x + 0.2040816327 + x2 = 0 + 0.2040816327 Reorder the terms: -0.2040816327 + 0.2040816327 + -4.081632653x + x2 = 0 + 0.2040816327 Combine like terms: -0.2040816327 + 0.2040816327 = 0.0000000000 0.0000000000 + -4.081632653x + x2 = 0 + 0.2040816327 -4.081632653x + x2 = 0 + 0.2040816327 Combine like terms: 0 + 0.2040816327 = 0.2040816327 -4.081632653x + x2 = 0.2040816327 The x term is -4.081632653x. Take half its coefficient (-2.040816327). Square it (4.164931281) and add it to both sides. Add '4.164931281' to each side of the equation. -4.081632653x + 4.164931281 + x2 = 0.2040816327 + 4.164931281 Reorder the terms: 4.164931281 + -4.081632653x + x2 = 0.2040816327 + 4.164931281 Combine like terms: 0.2040816327 + 4.164931281 = 4.3690129137 4.164931281 + -4.081632653x + x2 = 4.3690129137 Factor a perfect square on the left side: (x + -2.040816327)(x + -2.040816327) = 4.3690129137 Calculate the square root of the right side: 2.090218389 Break this problem into two subproblems by setting (x + -2.040816327) equal to 2.090218389 and -2.090218389.Subproblem 1
x + -2.040816327 = 2.090218389 Simplifying x + -2.040816327 = 2.090218389 Reorder the terms: -2.040816327 + x = 2.090218389 Solving -2.040816327 + x = 2.090218389 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.040816327' to each side of the equation. -2.040816327 + 2.040816327 + x = 2.090218389 + 2.040816327 Combine like terms: -2.040816327 + 2.040816327 = 0.000000000 0.000000000 + x = 2.090218389 + 2.040816327 x = 2.090218389 + 2.040816327 Combine like terms: 2.090218389 + 2.040816327 = 4.131034716 x = 4.131034716 Simplifying x = 4.131034716Subproblem 2
x + -2.040816327 = -2.090218389 Simplifying x + -2.040816327 = -2.090218389 Reorder the terms: -2.040816327 + x = -2.090218389 Solving -2.040816327 + x = -2.090218389 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.040816327' to each side of the equation. -2.040816327 + 2.040816327 + x = -2.090218389 + 2.040816327 Combine like terms: -2.040816327 + 2.040816327 = 0.000000000 0.000000000 + x = -2.090218389 + 2.040816327 x = -2.090218389 + 2.040816327 Combine like terms: -2.090218389 + 2.040816327 = -0.049402062 x = -0.049402062 Simplifying x = -0.049402062Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.131034716, -0.049402062}
| 13-x(5x-11)=-13 | | z/8=40 | | 2-7d=-27 | | 4(x+3)-(2n+8)= | | -2(r-8)=2(1-r) | | 4x-30=3x-21 | | 72/8 | | mv=um+uM | | 6d^2+19d+15=0 | | 3(x+1)-5=4x-21 | | -7b+4+4b=-4b+6 | | 3y-7+y+57=6y+50-4y | | y/4=13 | | 4/7-3/7x=1 | | -1/5z+2/3 | | 3w+-1h=9 | | y=2y+22 | | 11+1/3x=12 | | 3(18)+6=3(18)+24 | | 38+17x+1+3x+1=180 | | -7a+6b^2=12 | | 9k+19=3k-17 | | 12+10x=5(2x+4) | | 4x+34-6x=1-8+3 | | 22/6=55/t | | 5x-(2x+9)=4x-20 | | 10x^2-5=23x | | 4x+2(2x-4)=80 | | x^2*x^3+5x^2+1=x^6+5x^4+x^2 | | 30x^4+38x^3-20x^2=0 | | 7x+15=10(x-7)-3x | | 4n+17=7 |