If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (x2 + -7x + 8) + -1(8x2 + -4x + 3) = 0 Reorder the terms: (8 + -7x + x2) + -1(8x2 + -4x + 3) = 0 Remove parenthesis around (8 + -7x + x2) 8 + -7x + x2 + -1(8x2 + -4x + 3) = 0 Reorder the terms: 8 + -7x + x2 + -1(3 + -4x + 8x2) = 0 8 + -7x + x2 + (3 * -1 + -4x * -1 + 8x2 * -1) = 0 8 + -7x + x2 + (-3 + 4x + -8x2) = 0 Reorder the terms: 8 + -3 + -7x + 4x + x2 + -8x2 = 0 Combine like terms: 8 + -3 = 5 5 + -7x + 4x + x2 + -8x2 = 0 Combine like terms: -7x + 4x = -3x 5 + -3x + x2 + -8x2 = 0 Combine like terms: x2 + -8x2 = -7x2 5 + -3x + -7x2 = 0 Solving 5 + -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'. -0.7142857143 + 0.4285714286x + x2 = 0 Move the constant term to the right: Add '0.7142857143' to each side of the equation. -0.7142857143 + 0.4285714286x + 0.7142857143 + x2 = 0 + 0.7142857143 Reorder the terms: -0.7142857143 + 0.7142857143 + 0.4285714286x + x2 = 0 + 0.7142857143 Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000 0.0000000000 + 0.4285714286x + x2 = 0 + 0.7142857143 0.4285714286x + x2 = 0 + 0.7142857143 Combine like terms: 0 + 0.7142857143 = 0.7142857143 0.4285714286x + x2 = 0.7142857143 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 = 0.7142857143 + 0.04591836735 Reorder the terms: 0.04591836735 + 0.4285714286x + x2 = 0.7142857143 + 0.04591836735 Combine like terms: 0.7142857143 + 0.04591836735 = 0.76020408165 0.04591836735 + 0.4285714286x + x2 = 0.76020408165 Factor a perfect square on the left side: (x + 0.2142857143)(x + 0.2142857143) = 0.76020408165 Calculate the square root of the right side: 0.87189683 Break this problem into two subproblems by setting (x + 0.2142857143) equal to 0.87189683 and -0.87189683.Subproblem 1
x + 0.2142857143 = 0.87189683 Simplifying x + 0.2142857143 = 0.87189683 Reorder the terms: 0.2142857143 + x = 0.87189683 Solving 0.2142857143 + x = 0.87189683 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 = 0.87189683 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = 0.87189683 + -0.2142857143 x = 0.87189683 + -0.2142857143 Combine like terms: 0.87189683 + -0.2142857143 = 0.6576111157 x = 0.6576111157 Simplifying x = 0.6576111157Subproblem 2
x + 0.2142857143 = -0.87189683 Simplifying x + 0.2142857143 = -0.87189683 Reorder the terms: 0.2142857143 + x = -0.87189683 Solving 0.2142857143 + x = -0.87189683 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 = -0.87189683 + -0.2142857143 Combine like terms: 0.2142857143 + -0.2142857143 = 0.0000000000 0.0000000000 + x = -0.87189683 + -0.2142857143 x = -0.87189683 + -0.2142857143 Combine like terms: -0.87189683 + -0.2142857143 = -1.0861825443 x = -1.0861825443 Simplifying x = -1.0861825443Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.6576111157, -1.0861825443}
| y=-9(-5) | | y=-9(-2) | | (9a^2+a-5)-(4a^2+9a-9)= | | -2y-19=4y+17 | | y=-9(-4) | | y=-9(4) | | (7a^2+2a+4)-(a^2-5a-9)= | | y=-9(2) | | 5(x-9)-7=-52 | | (8x^5-10x^2+3x)-(10x^5+7x^2-7)= | | 7x+4+4=(7x+4)2 | | (7x+4)=7 | | (-12u^6+20u^3)+(-2u^9+16u^6)= | | 3x+5+4=7x+4 | | 2x-6=x+8 | | 6(7x-3)+4=42x-14 | | 3z-9=4z-5 | | (-5b^7-2b^6)+(18b^5+15b^7)= | | 6-(4n+5)=1-5n | | (-12u^4+u^5)+(u^5+5u^4)= | | 7=0.2x+5/2 | | x+1=-3x+25 | | 3(4x+8)=-37+25 | | y=(1/2)(3)-1 | | 16x^2-64x-36=0 | | y=(1/2)(2)-1 | | 6x+4=25 | | 8x-5=8(x+8) | | 5x-9-7x+6=x+8 | | (9y^2+5y^4)+(-6y^4+11y^2)= | | -5x+9+4x=-1 | | 2/3x=-20 |