If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = -16x2 + 145x + 7 Reorder the terms: 0 = 7 + 145x + -16x2 Solving 0 = 7 + 145x + -16x2 Solving for variable 'x'. Combine like terms: 0 + -7 = -7 -7 + -145x + 16x2 = 7 + 145x + -16x2 + -7 + -145x + 16x2 Reorder the terms: -7 + -145x + 16x2 = 7 + -7 + 145x + -145x + -16x2 + 16x2 Combine like terms: 7 + -7 = 0 -7 + -145x + 16x2 = 0 + 145x + -145x + -16x2 + 16x2 -7 + -145x + 16x2 = 145x + -145x + -16x2 + 16x2 Combine like terms: 145x + -145x = 0 -7 + -145x + 16x2 = 0 + -16x2 + 16x2 -7 + -145x + 16x2 = -16x2 + 16x2 Combine like terms: -16x2 + 16x2 = 0 -7 + -145x + 16x2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -0.4375 + -9.0625x + x2 = 0 Move the constant term to the right: Add '0.4375' to each side of the equation. -0.4375 + -9.0625x + 0.4375 + x2 = 0 + 0.4375 Reorder the terms: -0.4375 + 0.4375 + -9.0625x + x2 = 0 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + -9.0625x + x2 = 0 + 0.4375 -9.0625x + x2 = 0 + 0.4375 Combine like terms: 0 + 0.4375 = 0.4375 -9.0625x + x2 = 0.4375 The x term is -9.0625x. Take half its coefficient (-4.53125). Square it (20.53222656) and add it to both sides. Add '20.53222656' to each side of the equation. -9.0625x + 20.53222656 + x2 = 0.4375 + 20.53222656 Reorder the terms: 20.53222656 + -9.0625x + x2 = 0.4375 + 20.53222656 Combine like terms: 0.4375 + 20.53222656 = 20.96972656 20.53222656 + -9.0625x + x2 = 20.96972656 Factor a perfect square on the left side: (x + -4.53125)(x + -4.53125) = 20.96972656 Calculate the square root of the right side: 4.579271401 Break this problem into two subproblems by setting (x + -4.53125) equal to 4.579271401 and -4.579271401.Subproblem 1
x + -4.53125 = 4.579271401 Simplifying x + -4.53125 = 4.579271401 Reorder the terms: -4.53125 + x = 4.579271401 Solving -4.53125 + x = 4.579271401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.53125' to each side of the equation. -4.53125 + 4.53125 + x = 4.579271401 + 4.53125 Combine like terms: -4.53125 + 4.53125 = 0.00000 0.00000 + x = 4.579271401 + 4.53125 x = 4.579271401 + 4.53125 Combine like terms: 4.579271401 + 4.53125 = 9.110521401 x = 9.110521401 Simplifying x = 9.110521401Subproblem 2
x + -4.53125 = -4.579271401 Simplifying x + -4.53125 = -4.579271401 Reorder the terms: -4.53125 + x = -4.579271401 Solving -4.53125 + x = -4.579271401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.53125' to each side of the equation. -4.53125 + 4.53125 + x = -4.579271401 + 4.53125 Combine like terms: -4.53125 + 4.53125 = 0.00000 0.00000 + x = -4.579271401 + 4.53125 x = -4.579271401 + 4.53125 Combine like terms: -4.579271401 + 4.53125 = -0.048021401 x = -0.048021401 Simplifying x = -0.048021401Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.110521401, -0.048021401}
| 13+2x=4x-8 | | y=ln(6*x+10) | | 7p^2+168=77p | | 2x+1(x+2)=0 | | 8x+8=8(x-3) | | 4(4x)+2(x)=72 | | x^3-3x^2+3x=9 | | .3x=294 | | k^2-48=2k | | 60=b+48 | | 4(z-2)+7=-13 | | -2-3x=-x+2 | | 4x-32+14-8=x+3 | | 2c+2=3c-48 | | -2-3x=-2+2 | | y^3-2y^2+y-2=0 | | x^4+y^4=48 | | d=5d-24 | | 4(x-3)=4+5x | | x^3-3x^2+3x-33= | | 7(k+6)=-(k-10) | | (6-u)(4u-3)=0 | | 8p^2-3p^2=15p+7p | | 49x^2+28xy+4y^2=0 | | -11(-5x-5)=9x-7 | | 6(3r+1)=12(2r+8) | | -14+(-4)=-58 | | 5(a-3)=8(a+6) | | -(x-8)=3+x+5 | | X+30=2-5 | | -7(2x+6)-8x=6(-2-4x) | | 49c+7=7(7c+1) |