If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 3x + -45 = 0 Reorder the terms: -45 + 3x + 7x2 = 0 Solving -45 + 3x + 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'. -6.428571429 + 0.4285714286x + x2 = 0 Move the constant term to the right: Add '6.428571429' to each side of the equation. -6.428571429 + 0.4285714286x + 6.428571429 + x2 = 0 + 6.428571429 Reorder the terms: -6.428571429 + 6.428571429 + 0.4285714286x + x2 = 0 + 6.428571429 Combine like terms: -6.428571429 + 6.428571429 = 0.000000000 0.000000000 + 0.4285714286x + x2 = 0 + 6.428571429 0.4285714286x + x2 = 0 + 6.428571429 Combine like terms: 0 + 6.428571429 = 6.428571429 0.4285714286x + x2 = 6.428571429 The x term is 0.4285714286x. Take half its coefficient (0.2142857143). Square it (0.04591836735) and add it to both sides. Add '0.04591836735' to each side of the equation. 0.4285714286x + 0.04591836735 + x2 = 6.428571429 + 0.04591836735 Reorder the terms: 0.04591836735 + 0.4285714286x + x2 = 6.428571429 + 0.04591836735 Combine like terms: 6.428571429 + 0.04591836735 = 6.47448979635 0.04591836735 + 0.4285714286x + x2 = 6.47448979635 Factor a perfect square on the left side: (x + 0.2142857143)(x + 0.2142857143) = 6.47448979635 Calculate the square root of the right side: 2.544501876 Break this problem into two subproblems by setting (x + 0.2142857143) equal to 2.544501876 and -2.544501876.Subproblem 1
x + 0.2142857143 = 2.544501876 Simplifying x + 0.2142857143 = 2.544501876 Reorder the terms: 0.2142857143 + x = 2.544501876 Solving 0.2142857143 + x = 2.544501876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = 2.544501876 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = 2.544501876 + -0.2142857143 x = 2.544501876 + -0.2142857143 Combine like terms: 2.544501876 + -0.2142857143 = 2.3302161617 x = 2.3302161617 Simplifying x = 2.3302161617Subproblem 2
x + 0.2142857143 = -2.544501876 Simplifying x + 0.2142857143 = -2.544501876 Reorder the terms: 0.2142857143 + x = -2.544501876 Solving 0.2142857143 + x = -2.544501876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2142857143' to each side of the equation. 0.2142857143 + -0.2142857143 + x = -2.544501876 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = -2.544501876 + -0.2142857143 x = -2.544501876 + -0.2142857143 Combine like terms: -2.544501876 + -0.2142857143 = -2.7587875903 x = -2.7587875903 Simplifying x = -2.7587875903Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.3302161617, -2.7587875903}
| 2x+(-7)=5 | | 0.91y+1=y-0.08 | | 4-(n-3)=2(n+1) | | X+2x=74-3x | | 9+2x-6=9x+17-5x | | d-4=-15 | | -6(2b+1)+(13b-3)=0 | | x^2+x+167=0 | | -6x-1=49+4x | | 10(2.2-b)=15.2 | | 9x+7x-3x=21+5 | | 8-8-6w=4-7 | | 31=3x-5 | | 16c-128=70 | | 14x-(9x-8)=18 | | 4(c-8)=-20 | | 5x+12=-3x+8 | | 8+2m=2m+16 | | 6x^3-20x=0 | | 5.6q-1.1-4.8q=-0.2q-4.8 | | 0.1y=1.5y | | z-1/4-3z/8=z+1/2 | | 2/3+x=5/8 | | 48*48-50*50= | | 2.7a=13.5 | | 5(x-2)+5x=10 | | -8(x+2)=-10 | | y+9=-21 | | 16x+15=8x+10 | | 3x-1=7x-49 | | j+1/3=-6.8 | | (-a^3)(-2a+4a^2)= |