If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 53x + 21 = 0 Reorder the terms: 21 + 53x + 7x2 = 0 Solving 21 + 53x + 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'. 3 + 7.571428571x + x2 = 0 Move the constant term to the right: Add '-3' to each side of the equation. 3 + 7.571428571x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 7.571428571x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7.571428571x + x2 = 0 + -3 7.571428571x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 7.571428571x + x2 = -3 The x term is 7.571428571x. Take half its coefficient (3.785714286). Square it (14.33163266) and add it to both sides. Add '14.33163266' to each side of the equation. 7.571428571x + 14.33163266 + x2 = -3 + 14.33163266 Reorder the terms: 14.33163266 + 7.571428571x + x2 = -3 + 14.33163266 Combine like terms: -3 + 14.33163266 = 11.33163266 14.33163266 + 7.571428571x + x2 = 11.33163266 Factor a perfect square on the left side: (x + 3.785714286)(x + 3.785714286) = 11.33163266 Calculate the square root of the right side: 3.366249049 Break this problem into two subproblems by setting (x + 3.785714286) equal to 3.366249049 and -3.366249049.Subproblem 1
x + 3.785714286 = 3.366249049 Simplifying x + 3.785714286 = 3.366249049 Reorder the terms: 3.785714286 + x = 3.366249049 Solving 3.785714286 + x = 3.366249049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.785714286' to each side of the equation. 3.785714286 + -3.785714286 + x = 3.366249049 + -3.785714286 Combine like terms: 3.785714286 + -3.785714286 = 0.000000000 0.000000000 + x = 3.366249049 + -3.785714286 x = 3.366249049 + -3.785714286 Combine like terms: 3.366249049 + -3.785714286 = -0.419465237 x = -0.419465237 Simplifying x = -0.419465237Subproblem 2
x + 3.785714286 = -3.366249049 Simplifying x + 3.785714286 = -3.366249049 Reorder the terms: 3.785714286 + x = -3.366249049 Solving 3.785714286 + x = -3.366249049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.785714286' to each side of the equation. 3.785714286 + -3.785714286 + x = -3.366249049 + -3.785714286 Combine like terms: 3.785714286 + -3.785714286 = 0.000000000 0.000000000 + x = -3.366249049 + -3.785714286 x = -3.366249049 + -3.785714286 Combine like terms: -3.366249049 + -3.785714286 = -7.151963335 x = -7.151963335 Simplifying x = -7.151963335Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.419465237, -7.151963335}
| 7(y-2)=3y-34 | | 2(7x+7)=7(6x+6) | | p=4*s | | -6x-1=53 | | 18+9*3= | | -8c+4=8 | | -2-7v=-30 | | 3.5=0.5(2.5+x) | | 4(8-10)=-4-4 | | 3b-10=30 | | 17=7+v/2 | | -54y=84 | | 9-5y=9 | | 10x-83-4x=-6x | | -6n+12=-5n-13 | | 7a-42x= | | 5a-b=13 | | -4m-5-6=13 | | 5(e+10)=-10 | | 4x=2y-12 | | 9a+5=3a-3 | | 8y-4=6y+8 | | .5p=p-5 | | x+2.5=1.15 | | -3=-4+4+y | | 52=6x+10+7 | | -4=x+3/5 | | -x+6=3(2+6) | | 5=8-f | | (-6)-z=50 | | -6(7x+3)=-312 | | -7x-2y=12 |