If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 20x + -0.83x2 = 25 Solving 20x + -0.83x2 = 25 Solving for variable 'x'. Reorder the terms: -25 + 20x + -0.83x2 = 25 + -25 Combine like terms: 25 + -25 = 0 -25 + 20x + -0.83x2 = 0 Begin completing the square. Divide all terms by -0.83 the coefficient of the squared term: Divide each side by '-0.83'. 30.12048193 + -24.09638554x + x2 = 0 Move the constant term to the right: Add '-30.12048193' to each side of the equation. 30.12048193 + -24.09638554x + -30.12048193 + x2 = 0 + -30.12048193 Reorder the terms: 30.12048193 + -30.12048193 + -24.09638554x + x2 = 0 + -30.12048193 Combine like terms: 30.12048193 + -30.12048193 = 0.00000000 0.00000000 + -24.09638554x + x2 = 0 + -30.12048193 -24.09638554x + x2 = 0 + -30.12048193 Combine like terms: 0 + -30.12048193 = -30.12048193 -24.09638554x + x2 = -30.12048193 The x term is -24.09638554x. Take half its coefficient (-12.04819277). Square it (145.1589490) and add it to both sides. Add '145.1589490' to each side of the equation. -24.09638554x + 145.1589490 + x2 = -30.12048193 + 145.1589490 Reorder the terms: 145.1589490 + -24.09638554x + x2 = -30.12048193 + 145.1589490 Combine like terms: -30.12048193 + 145.1589490 = 115.03846707 145.1589490 + -24.09638554x + x2 = 115.03846707 Factor a perfect square on the left side: (x + -12.04819277)(x + -12.04819277) = 115.03846707 Calculate the square root of the right side: 10.725598681 Break this problem into two subproblems by setting (x + -12.04819277) equal to 10.725598681 and -10.725598681.Subproblem 1
x + -12.04819277 = 10.725598681 Simplifying x + -12.04819277 = 10.725598681 Reorder the terms: -12.04819277 + x = 10.725598681 Solving -12.04819277 + x = 10.725598681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.04819277' to each side of the equation. -12.04819277 + 12.04819277 + x = 10.725598681 + 12.04819277 Combine like terms: -12.04819277 + 12.04819277 = 0.00000000 0.00000000 + x = 10.725598681 + 12.04819277 x = 10.725598681 + 12.04819277 Combine like terms: 10.725598681 + 12.04819277 = 22.773791451 x = 22.773791451 Simplifying x = 22.773791451Subproblem 2
x + -12.04819277 = -10.725598681 Simplifying x + -12.04819277 = -10.725598681 Reorder the terms: -12.04819277 + x = -10.725598681 Solving -12.04819277 + x = -10.725598681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.04819277' to each side of the equation. -12.04819277 + 12.04819277 + x = -10.725598681 + 12.04819277 Combine like terms: -12.04819277 + 12.04819277 = 0.00000000 0.00000000 + x = -10.725598681 + 12.04819277 x = -10.725598681 + 12.04819277 Combine like terms: -10.725598681 + 12.04819277 = 1.322594089 x = 1.322594089 Simplifying x = 1.322594089Solution
The solution to the problem is based on the solutions from the subproblems. x = {22.773791451, 1.322594089}
| 6x-8=-7x-8 | | 83(16x)=180 | | 30=9w-5(3w-12) | | 16+x=2x+2 | | 2(7a-9)= | | -4(4+2)-2=-5(x+1)+2 | | 15a-14= | | 2(7a-10)= | | -4w-12-3w=2w+6 | | 3x+(x+7)=180 | | 56.70=15 | | 14a-15= | | 3x-16=-5x+8 | | 3-2(x+5)=5 | | 4a-2b=28 | | 6(4a-3)-10a= | | 1+6n+6n=13 | | 7x+18=2x+8 | | -2w-12+6w=4w-12 | | -6x-8=-8x-8 | | 48-26= | | 140+(0.60x)=60+0.80x | | 23=5p^2+24 | | x+5=-6x-9 | | -7k+k=-6 | | -26+48= | | 50=12w | | 3x+8(-2x-14)=-8 | | 6(7x+2)=42x-7 | | 180=4x+134+3x+32 | | 9x+3(-3x-7)=5 | | 3x^2(x-8)=0 |