If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x(x + 3) + -5x = 7 Reorder the terms: 7x(3 + x) + -5x = 7 (3 * 7x + x * 7x) + -5x = 7 (21x + 7x2) + -5x = 7 Reorder the terms: 21x + -5x + 7x2 = 7 Combine like terms: 21x + -5x = 16x 16x + 7x2 = 7 Solving 16x + 7x2 = 7 Solving for variable 'x'. Reorder the terms: -7 + 16x + 7x2 = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + 16x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -1 + 2.285714286x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 2.285714286x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 2.285714286x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 2.285714286x + x2 = 0 + 1 2.285714286x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 2.285714286x + x2 = 1 The x term is 2.285714286x. Take half its coefficient (1.142857143). Square it (1.306122449) and add it to both sides. Add '1.306122449' to each side of the equation. 2.285714286x + 1.306122449 + x2 = 1 + 1.306122449 Reorder the terms: 1.306122449 + 2.285714286x + x2 = 1 + 1.306122449 Combine like terms: 1 + 1.306122449 = 2.306122449 1.306122449 + 2.285714286x + x2 = 2.306122449 Factor a perfect square on the left side: (x + 1.142857143)(x + 1.142857143) = 2.306122449 Calculate the square root of the right side: 1.518592259 Break this problem into two subproblems by setting (x + 1.142857143) equal to 1.518592259 and -1.518592259.Subproblem 1
x + 1.142857143 = 1.518592259 Simplifying x + 1.142857143 = 1.518592259 Reorder the terms: 1.142857143 + x = 1.518592259 Solving 1.142857143 + x = 1.518592259 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.142857143' to each side of the equation. 1.142857143 + -1.142857143 + x = 1.518592259 + -1.142857143 Combine like terms: 1.142857143 + -1.142857143 = 0.000000000 0.000000000 + x = 1.518592259 + -1.142857143 x = 1.518592259 + -1.142857143 Combine like terms: 1.518592259 + -1.142857143 = 0.375735116 x = 0.375735116 Simplifying x = 0.375735116Subproblem 2
x + 1.142857143 = -1.518592259 Simplifying x + 1.142857143 = -1.518592259 Reorder the terms: 1.142857143 + x = -1.518592259 Solving 1.142857143 + x = -1.518592259 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.142857143' to each side of the equation. 1.142857143 + -1.142857143 + x = -1.518592259 + -1.142857143 Combine like terms: 1.142857143 + -1.142857143 = 0.000000000 0.000000000 + x = -1.518592259 + -1.142857143 x = -1.518592259 + -1.142857143 Combine like terms: -1.518592259 + -1.142857143 = -2.661449402 x = -2.661449402 Simplifying x = -2.661449402Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.375735116, -2.661449402}
| 2+1-17=0 | | b=.5hq | | w^3+125=0 | | 42=-2(23)+6 | | -0.01x^2+26x+16500=0 | | 7a^2-8a+1=0 | | 2x+3x=-5 | | 10w^3=250w | | 2x+-4y-5=0 | | log[2](x+72)=2log[2](x) | | 14-6x=7x+53 | | 2m^2-12m+18=0 | | n+r=12 | | y-10=7y-4y | | (2.5x+6)+(2.5x+6)+(2.5x+6)=180 | | 3n-5n=2 | | 8+3p=2(p+3) | | h(t)=88t-16t^2 | | 2x-x^2+63=0 | | 2(2-3b)=68 | | fx=x^2+10x+7 | | 20=b(b-8) | | (5x-6y)(5x-6y)=0 | | -x^2-5x+7= | | 5f+5f=16+2f | | -27=9(y+3) | | 5k-3k=4k-2 | | 9x^2+181x+872=0 | | 35=-4x+7 | | z+2=6z^2 | | 6-m=5m-4m | | 4x-5=6-7x |