If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4.905x2 + -16x + -7 = 0 Reorder the terms: -7 + -16x + 4.905x2 = 0 Solving -7 + -16x + 4.905x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.905 the coefficient of the squared term: Divide each side by '4.905'. -1.427115189 + -3.261977574x + x2 = 0 Move the constant term to the right: Add '1.427115189' to each side of the equation. -1.427115189 + -3.261977574x + 1.427115189 + x2 = 0 + 1.427115189 Reorder the terms: -1.427115189 + 1.427115189 + -3.261977574x + x2 = 0 + 1.427115189 Combine like terms: -1.427115189 + 1.427115189 = 0.000000000 0.000000000 + -3.261977574x + x2 = 0 + 1.427115189 -3.261977574x + x2 = 0 + 1.427115189 Combine like terms: 0 + 1.427115189 = 1.427115189 -3.261977574x + x2 = 1.427115189 The x term is -3.261977574x. Take half its coefficient (-1.630988787). Square it (2.660124423) and add it to both sides. Add '2.660124423' to each side of the equation. -3.261977574x + 2.660124423 + x2 = 1.427115189 + 2.660124423 Reorder the terms: 2.660124423 + -3.261977574x + x2 = 1.427115189 + 2.660124423 Combine like terms: 1.427115189 + 2.660124423 = 4.087239612 2.660124423 + -3.261977574x + x2 = 4.087239612 Factor a perfect square on the left side: (x + -1.630988787)(x + -1.630988787) = 4.087239612 Calculate the square root of the right side: 2.021692264 Break this problem into two subproblems by setting (x + -1.630988787) equal to 2.021692264 and -2.021692264.Subproblem 1
x + -1.630988787 = 2.021692264 Simplifying x + -1.630988787 = 2.021692264 Reorder the terms: -1.630988787 + x = 2.021692264 Solving -1.630988787 + x = 2.021692264 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.630988787' to each side of the equation. -1.630988787 + 1.630988787 + x = 2.021692264 + 1.630988787 Combine like terms: -1.630988787 + 1.630988787 = 0.000000000 0.000000000 + x = 2.021692264 + 1.630988787 x = 2.021692264 + 1.630988787 Combine like terms: 2.021692264 + 1.630988787 = 3.652681051 x = 3.652681051 Simplifying x = 3.652681051Subproblem 2
x + -1.630988787 = -2.021692264 Simplifying x + -1.630988787 = -2.021692264 Reorder the terms: -1.630988787 + x = -2.021692264 Solving -1.630988787 + x = -2.021692264 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.630988787' to each side of the equation. -1.630988787 + 1.630988787 + x = -2.021692264 + 1.630988787 Combine like terms: -1.630988787 + 1.630988787 = 0.000000000 0.000000000 + x = -2.021692264 + 1.630988787 x = -2.021692264 + 1.630988787 Combine like terms: -2.021692264 + 1.630988787 = -0.390703477 x = -0.390703477 Simplifying x = -0.390703477Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.652681051, -0.390703477}
| 14x^2-47x-3=4 | | 3x^2-x-5= | | K/3+h/6 | | 10-12x=142+x | | (x-5)/4-(3-4x)/9=13 | | 7-8x+8=8+x | | xx-10x+25=0 | | 7a-(-b)=-6b+14 | | x^3+8x^2+24x+32=0 | | 41-4x=5x+19 | | 3a=6/7 | | (8x^2+5x+7)-(5x^2+8x-6)= | | Y-5=-4(x-6) | | 10y+6x=7 | | 3k/5=12 | | x*5+6=91 | | (6-3i)/(-8+4i) | | 4p/3=8 | | x/3=1.5/0.5 | | (x-8)/4=5 | | y=a*x+b | | 3(3x-2)+4=2(x-1)+2 | | 6f+230=500 | | 8d+5=5d+14 | | 6x+10y=7 | | (3/5)3 | | 4(x+4)(3x-6)=0 | | 0.8x-7.7=5.7 | | 1/3(x+100)=500 | | 1/x^4=256 | | 9=p/3 | | 1/8(x+230)=200 |