If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 15x + -2 = 0 Reorder the terms: -2 + 15x + 7x2 = 0 Solving -2 + 15x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -0.2857142857 + 2.142857143x + x2 = 0 Move the constant term to the right: Add '0.2857142857' to each side of the equation. -0.2857142857 + 2.142857143x + 0.2857142857 + x2 = 0 + 0.2857142857 Reorder the terms: -0.2857142857 + 0.2857142857 + 2.142857143x + x2 = 0 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + 2.142857143x + x2 = 0 + 0.2857142857 2.142857143x + x2 = 0 + 0.2857142857 Combine like terms: 0 + 0.2857142857 = 0.2857142857 2.142857143x + x2 = 0.2857142857 The x term is 2.142857143x. Take half its coefficient (1.071428572). Square it (1.147959185) and add it to both sides. Add '1.147959185' to each side of the equation. 2.142857143x + 1.147959185 + x2 = 0.2857142857 + 1.147959185 Reorder the terms: 1.147959185 + 2.142857143x + x2 = 0.2857142857 + 1.147959185 Combine like terms: 0.2857142857 + 1.147959185 = 1.4336734707 1.147959185 + 2.142857143x + x2 = 1.4336734707 Factor a perfect square on the left side: (x + 1.071428572)(x + 1.071428572) = 1.4336734707 Calculate the square root of the right side: 1.197361044 Break this problem into two subproblems by setting (x + 1.071428572) equal to 1.197361044 and -1.197361044.Subproblem 1
x + 1.071428572 = 1.197361044 Simplifying x + 1.071428572 = 1.197361044 Reorder the terms: 1.071428572 + x = 1.197361044 Solving 1.071428572 + x = 1.197361044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.071428572' to each side of the equation. 1.071428572 + -1.071428572 + x = 1.197361044 + -1.071428572 Combine like terms: 1.071428572 + -1.071428572 = 0.000000000 0.000000000 + x = 1.197361044 + -1.071428572 x = 1.197361044 + -1.071428572 Combine like terms: 1.197361044 + -1.071428572 = 0.125932472 x = 0.125932472 Simplifying x = 0.125932472Subproblem 2
x + 1.071428572 = -1.197361044 Simplifying x + 1.071428572 = -1.197361044 Reorder the terms: 1.071428572 + x = -1.197361044 Solving 1.071428572 + x = -1.197361044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.071428572' to each side of the equation. 1.071428572 + -1.071428572 + x = -1.197361044 + -1.071428572 Combine like terms: 1.071428572 + -1.071428572 = 0.000000000 0.000000000 + x = -1.197361044 + -1.071428572 x = -1.197361044 + -1.071428572 Combine like terms: -1.197361044 + -1.071428572 = -2.268789616 x = -2.268789616 Simplifying x = -2.268789616Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.125932472, -2.268789616}
| 5(X-3)+4=5X-11 | | 10x^2=90x | | 22x^2-19x-18=0 | | -55+21y+7=6(4y-2)-9 | | 8=4(x+4) | | t^2-49= | | a-8.1=-.001 | | x-714=-705 | | 675=2.5(P-40)-100 | | 5x^2+30=5 | | (3x+6)(3x+6)=36 | | x^2+5x+1=-3 | | (2x+5)(x-7)=4x+10 | | 54.67+1.03+89.458+22.3= | | 300=2.5(P-40)-100 | | 22x^2-19x-2=0 | | 3y^2-4y+1= | | 4*2y= | | 8x+6y=-1 | | 9z=5z-15 | | .15x+.25(x+130)=63 | | -4(w+7)-(-7w-3)=2w | | 16x+9-4=12x+6 | | -3m(m+3)+2(m+3)= | | 3x-4y=-4 | | -x^2=5x | | 4x^2+16=16 | | Y=(x+3)(x^2+8x+15) | | 20x^3-12x=0 | | 56o=86 | | -3(3y+5)-11=-6(y+6)+3y | | 101=(2x+6) |