If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4x(78 + 49x) = 77 (78 * 4x + 49x * 4x) = 77 (312x + 196x2) = 77 Solving 312x + 196x2 = 77 Solving for variable 'x'. Reorder the terms: -77 + 312x + 196x2 = 77 + -77 Combine like terms: 77 + -77 = 0 -77 + 312x + 196x2 = 0 Begin completing the square. Divide all terms by 196 the coefficient of the squared term: Divide each side by '196'. -0.3928571429 + 1.591836735x + x2 = 0 Move the constant term to the right: Add '0.3928571429' to each side of the equation. -0.3928571429 + 1.591836735x + 0.3928571429 + x2 = 0 + 0.3928571429 Reorder the terms: -0.3928571429 + 0.3928571429 + 1.591836735x + x2 = 0 + 0.3928571429 Combine like terms: -0.3928571429 + 0.3928571429 = 0.0000000000 0.0000000000 + 1.591836735x + x2 = 0 + 0.3928571429 1.591836735x + x2 = 0 + 0.3928571429 Combine like terms: 0 + 0.3928571429 = 0.3928571429 1.591836735x + x2 = 0.3928571429 The x term is 1.591836735x. Take half its coefficient (0.7959183675). Square it (0.6334860477) and add it to both sides. Add '0.6334860477' to each side of the equation. 1.591836735x + 0.6334860477 + x2 = 0.3928571429 + 0.6334860477 Reorder the terms: 0.6334860477 + 1.591836735x + x2 = 0.3928571429 + 0.6334860477 Combine like terms: 0.3928571429 + 0.6334860477 = 1.0263431906 0.6334860477 + 1.591836735x + x2 = 1.0263431906 Factor a perfect square on the left side: (x + 0.7959183675)(x + 0.7959183675) = 1.0263431906 Calculate the square root of the right side: 1.013085974 Break this problem into two subproblems by setting (x + 0.7959183675) equal to 1.013085974 and -1.013085974.Subproblem 1
x + 0.7959183675 = 1.013085974 Simplifying x + 0.7959183675 = 1.013085974 Reorder the terms: 0.7959183675 + x = 1.013085974 Solving 0.7959183675 + x = 1.013085974 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7959183675' to each side of the equation. 0.7959183675 + -0.7959183675 + x = 1.013085974 + -0.7959183675 Combine like terms: 0.7959183675 + -0.7959183675 = 0.0000000000 0.0000000000 + x = 1.013085974 + -0.7959183675 x = 1.013085974 + -0.7959183675 Combine like terms: 1.013085974 + -0.7959183675 = 0.2171676065 x = 0.2171676065 Simplifying x = 0.2171676065Subproblem 2
x + 0.7959183675 = -1.013085974 Simplifying x + 0.7959183675 = -1.013085974 Reorder the terms: 0.7959183675 + x = -1.013085974 Solving 0.7959183675 + x = -1.013085974 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7959183675' to each side of the equation. 0.7959183675 + -0.7959183675 + x = -1.013085974 + -0.7959183675 Combine like terms: 0.7959183675 + -0.7959183675 = 0.0000000000 0.0000000000 + x = -1.013085974 + -0.7959183675 x = -1.013085974 + -0.7959183675 Combine like terms: -1.013085974 + -0.7959183675 = -1.8090043415 x = -1.8090043415 Simplifying x = -1.8090043415Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.2171676065, -1.8090043415}
| J(f+5)=2f-8 | | 10u-30=-16u-42 | | 10X^2-13x+4=0 | | .7x+20=25+.5x | | -6y-18=3(3y+4) | | 4x^4-81=0 | | 0.4(z-0.5)=-0.1(z+12) | | 58-3x=24x+22 | | 0=8d-44 | | q-5= | | -20y+30=28y+56 | | 14-10x=58-10x | | 9(d-4)=5d+12 | | 36x^2-15=0 | | 7x-10=3x-8 | | x+x+7.46=53.73 | | 8d+1=6d+7 | | 35x^2+24x+4=0 | | x+3(x-2)=-22 | | h-2= | | -5x+y=20 | | 6x+2y-65x-2y+163=0 | | 8(x-6)=9.6 | | 6(a+2)=65.4 | | x+0.8x+2=2.5(x-2) | | 12-5x=24-6x | | w-8= | | 30=20-2t | | 8-9x=84-23x | | (x^2-3x-24)(x+2)=0 | | -3t=4t-28 | | 7.2=7c-4 |