If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 11x = 4 Reorder the terms: 11x + 7x2 = 4 Solving 11x + 7x2 = 4 Solving for variable 'x'. Reorder the terms: -4 + 11x + 7x2 = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + 11x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -0.5714285714 + 1.571428571x + x2 = 0 Move the constant term to the right: Add '0.5714285714' to each side of the equation. -0.5714285714 + 1.571428571x + 0.5714285714 + x2 = 0 + 0.5714285714 Reorder the terms: -0.5714285714 + 0.5714285714 + 1.571428571x + x2 = 0 + 0.5714285714 Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000 0.0000000000 + 1.571428571x + x2 = 0 + 0.5714285714 1.571428571x + x2 = 0 + 0.5714285714 Combine like terms: 0 + 0.5714285714 = 0.5714285714 1.571428571x + x2 = 0.5714285714 The x term is 1.571428571x. Take half its coefficient (0.7857142855). Square it (0.6173469384) and add it to both sides. Add '0.6173469384' to each side of the equation. 1.571428571x + 0.6173469384 + x2 = 0.5714285714 + 0.6173469384 Reorder the terms: 0.6173469384 + 1.571428571x + x2 = 0.5714285714 + 0.6173469384 Combine like terms: 0.5714285714 + 0.6173469384 = 1.1887755098 0.6173469384 + 1.571428571x + x2 = 1.1887755098 Factor a perfect square on the left side: (x + 0.7857142855)(x + 0.7857142855) = 1.1887755098 Calculate the square root of the right side: 1.090309823 Break this problem into two subproblems by setting (x + 0.7857142855) equal to 1.090309823 and -1.090309823.Subproblem 1
x + 0.7857142855 = 1.090309823 Simplifying x + 0.7857142855 = 1.090309823 Reorder the terms: 0.7857142855 + x = 1.090309823 Solving 0.7857142855 + x = 1.090309823 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7857142855' to each side of the equation. 0.7857142855 + -0.7857142855 + x = 1.090309823 + -0.7857142855 Combine like terms: 0.7857142855 + -0.7857142855 = 0.0000000000 0.0000000000 + x = 1.090309823 + -0.7857142855 x = 1.090309823 + -0.7857142855 Combine like terms: 1.090309823 + -0.7857142855 = 0.3045955375 x = 0.3045955375 Simplifying x = 0.3045955375Subproblem 2
x + 0.7857142855 = -1.090309823 Simplifying x + 0.7857142855 = -1.090309823 Reorder the terms: 0.7857142855 + x = -1.090309823 Solving 0.7857142855 + x = -1.090309823 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7857142855' to each side of the equation. 0.7857142855 + -0.7857142855 + x = -1.090309823 + -0.7857142855 Combine like terms: 0.7857142855 + -0.7857142855 = 0.0000000000 0.0000000000 + x = -1.090309823 + -0.7857142855 x = -1.090309823 + -0.7857142855 Combine like terms: -1.090309823 + -0.7857142855 = -1.8760241085 x = -1.8760241085 Simplifying x = -1.8760241085Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.3045955375, -1.8760241085}
| 7(3x-1)=27 | | 12+t=30 | | 7+8x=-5 | | -49=2c-5c-10 | | -4y+4=0 | | 120+p=200 | | 9+7e=12e+9 | | f(-1)=2 | | 2p+3=31 | | f(-4)=6 | | 4v-8=4 | | 7x-4x+6=39 | | 30+4x=15x | | 2x-17=100-17 | | -2(s-6)+8=0 | | 9+9n=18 | | 3+3x^2=4 | | f(-5)=-1 | | 10g-50=0 | | .10x+3.63=103.63 | | 20-10a=r | | 2.00x-10=30 | | ax+2=x+b | | 8y+13=37 | | 16+10+x-10=5+x-5+x-4 | | 0.50x+4.96=13.96 | | 2x-17=(100-17) | | t-49=-37 | | 4(4c+3)-3(2c+10)+3= | | (-2x^4y)(-9x^7y^9)= | | 4v-7=29 | | 10-(4z-9)=1-5z |