If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x2 + -4x + 2 = 0 Reorder the terms: 2 + -4x + -7x2 = 0 Solving 2 + -4x + -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'. -0.2857142857 + 0.5714285714x + x2 = 0 Move the constant term to the right: Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.5714285714x + 0.2857142857 + x2 = 0 + 0.2857142857 Reorder the terms: -0.2857142857 + 0.2857142857 + 0.5714285714x + x2 = 0 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + 0.5714285714x + x2 = 0 + 0.2857142857 0.5714285714x + x2 = 0 + 0.2857142857 Combine like terms: 0 + 0.2857142857 = 0.2857142857 0.5714285714x + x2 = 0.2857142857 The x term is 0.5714285714x. Take half its coefficient (0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. 0.5714285714x + 0.08163265305 + x2 = 0.2857142857 + 0.08163265305 Reorder the terms: 0.08163265305 + 0.5714285714x + x2 = 0.2857142857 + 0.08163265305 Combine like terms: 0.2857142857 + 0.08163265305 = 0.36734693875 0.08163265305 + 0.5714285714x + x2 = 0.36734693875 Factor a perfect square on the left side: (x + 0.2857142857)(x + 0.2857142857) = 0.36734693875 Calculate the square root of the right side: 0.606091527 Break this problem into two subproblems by setting (x + 0.2857142857) equal to 0.606091527 and -0.606091527.Subproblem 1
x + 0.2857142857 = 0.606091527 Simplifying x + 0.2857142857 = 0.606091527 Reorder the terms: 0.2857142857 + x = 0.606091527 Solving 0.2857142857 + x = 0.606091527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = 0.606091527 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = 0.606091527 + -0.2857142857 x = 0.606091527 + -0.2857142857 Combine like terms: 0.606091527 + -0.2857142857 = 0.3203772413 x = 0.3203772413 Simplifying x = 0.3203772413Subproblem 2
x + 0.2857142857 = -0.606091527 Simplifying x + 0.2857142857 = -0.606091527 Reorder the terms: 0.2857142857 + x = -0.606091527 Solving 0.2857142857 + x = -0.606091527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = -0.606091527 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = -0.606091527 + -0.2857142857 x = -0.606091527 + -0.2857142857 Combine like terms: -0.606091527 + -0.2857142857 = -0.8918058127 x = -0.8918058127 Simplifying x = -0.8918058127Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.3203772413, -0.8918058127}
| p-1=5+39-8 | | -24=2r-8r | | 9t-6t+6t=6 | | 9t-6t+6t=6 | | 6x-14x+9=49 | | 6t^2=10t | | 0.2(100+x)=50 | | 5m-4.5=7 | | -12+16= | | 38+7n=-4(1-7n) | | 16x-7=1+14x | | 9-6(4-x)=27 | | 14b-3-12b= | | 5n=20(4.25n) | | h(7)=7*7-5*-7 | | 2x^2-19x-16=0 | | 24-6r=24-6r | | 33+3m=4+8(-3+7m) | | (3*4-1)*5=55 | | 0.2(750.00+x)=350.00 | | h(5)=5*5-5*5 | | 2y+6=-3 | | 3x+16=25 | | 3f-6=5f+4 | | a^4-3a^4= | | h(0)=0*0-5*0 | | 4a^2-12x+8=0 | | 10+6q=15+5q | | p=u*i | | 3z^2-2z=0 | | x(4x^2-38x-32)=0 | | 0.2(750.00+x)=290.00 |