If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 6x = 20 Reorder the terms: 6x + 3x2 = 20 Solving 6x + 3x2 = 20 Solving for variable 'x'. Reorder the terms: -20 + 6x + 3x2 = 20 + -20 Combine like terms: 20 + -20 = 0 -20 + 6x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -6.666666667 + 2x + x2 = 0 Move the constant term to the right: Add '6.666666667' to each side of the equation. -6.666666667 + 2x + 6.666666667 + x2 = 0 + 6.666666667 Reorder the terms: -6.666666667 + 6.666666667 + 2x + x2 = 0 + 6.666666667 Combine like terms: -6.666666667 + 6.666666667 = 0.000000000 0.000000000 + 2x + x2 = 0 + 6.666666667 2x + x2 = 0 + 6.666666667 Combine like terms: 0 + 6.666666667 = 6.666666667 2x + x2 = 6.666666667 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 6.666666667 + 1 Reorder the terms: 1 + 2x + x2 = 6.666666667 + 1 Combine like terms: 6.666666667 + 1 = 7.666666667 1 + 2x + x2 = 7.666666667 Factor a perfect square on the left side: (x + 1)(x + 1) = 7.666666667 Calculate the square root of the right side: 2.768874621 Break this problem into two subproblems by setting (x + 1) equal to 2.768874621 and -2.768874621.Subproblem 1
x + 1 = 2.768874621 Simplifying x + 1 = 2.768874621 Reorder the terms: 1 + x = 2.768874621 Solving 1 + x = 2.768874621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 2.768874621 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.768874621 + -1 x = 2.768874621 + -1 Combine like terms: 2.768874621 + -1 = 1.768874621 x = 1.768874621 Simplifying x = 1.768874621Subproblem 2
x + 1 = -2.768874621 Simplifying x + 1 = -2.768874621 Reorder the terms: 1 + x = -2.768874621 Solving 1 + x = -2.768874621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -2.768874621 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.768874621 + -1 x = -2.768874621 + -1 Combine like terms: -2.768874621 + -1 = -3.768874621 x = -3.768874621 Simplifying x = -3.768874621Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.768874621, -3.768874621}
| 5(2+7n)-4n=-2(n-5) | | 0.50x+0.15(80)=0.25(66) | | 3(n+5)+2=36 | | 1.5x-4=0.5 | | -.5714285714x=-2 | | 3x+1=4x-11 | | 5x+17y=-7 | | d+(-4)=7 | | 1(8x-11)+1(15-x)=1 | | 7(1-9p)= | | ax+-3b=c | | .4x=-8 | | 5c+6-8c-2= | | (8x-11)+(15-x)=1 | | 11x-18=3x+6 | | 5x-2x=3z | | m(30m-17.5)=25 | | m(30m-175)=25 | | -4x+5=-3x-2 | | 30x+14=9x-8 | | -6y-9y= | | x-9=5-7 | | v-1-v= | | 4p-8=3p+2 | | -6(-3)=x+10 | | log(x)+log(x+2)=log(48) | | -2-5a=-9 | | -71=42 | | 6Y-5Y=-3 | | 7x-5=4x-16 | | 14n-12=12n | | 5x-14=2x |