If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 225 + -30x + -1x2 = 112.5 Solving 225 + -30x + -1x2 = 112.5 Solving for variable 'x'. Reorder the terms: 225 + -112.5 + -30x + -1x2 = 112.5 + -112.5 Combine like terms: 225 + -112.5 = 112.5 112.5 + -30x + -1x2 = 112.5 + -112.5 Combine like terms: 112.5 + -112.5 = 0.0 112.5 + -30x + -1x2 = 0.0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -112.5 + 30x + x2 = 0.0 Move the constant term to the right: Add '112.5' to each side of the equation. -112.5 + 30x + 112.5 + x2 = 0.0 + 112.5 Reorder the terms: -112.5 + 112.5 + 30x + x2 = 0.0 + 112.5 Combine like terms: -112.5 + 112.5 = 0.0 0.0 + 30x + x2 = 0.0 + 112.5 30x + x2 = 0.0 + 112.5 Combine like terms: 0.0 + 112.5 = 112.5 30x + x2 = 112.5 The x term is 30x. Take half its coefficient (15). Square it (225) and add it to both sides. Add '225' to each side of the equation. 30x + 225 + x2 = 112.5 + 225 Reorder the terms: 225 + 30x + x2 = 112.5 + 225 Combine like terms: 112.5 + 225 = 337.5 225 + 30x + x2 = 337.5 Factor a perfect square on the left side: (x + 15)(x + 15) = 337.5 Calculate the square root of the right side: 18.371173071 Break this problem into two subproblems by setting (x + 15) equal to 18.371173071 and -18.371173071.Subproblem 1
x + 15 = 18.371173071 Simplifying x + 15 = 18.371173071 Reorder the terms: 15 + x = 18.371173071 Solving 15 + x = 18.371173071 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = 18.371173071 + -15 Combine like terms: 15 + -15 = 0 0 + x = 18.371173071 + -15 x = 18.371173071 + -15 Combine like terms: 18.371173071 + -15 = 3.371173071 x = 3.371173071 Simplifying x = 3.371173071Subproblem 2
x + 15 = -18.371173071 Simplifying x + 15 = -18.371173071 Reorder the terms: 15 + x = -18.371173071 Solving 15 + x = -18.371173071 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = -18.371173071 + -15 Combine like terms: 15 + -15 = 0 0 + x = -18.371173071 + -15 x = -18.371173071 + -15 Combine like terms: -18.371173071 + -15 = -33.371173071 x = -33.371173071 Simplifying x = -33.371173071Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.371173071, -33.371173071}
| -x^2-30x-112.5=0 | | 2+(x+5)=-8 | | 0.1x+0.2x+0.3x=6 | | x^2-30x-112.5=0 | | -18n^2-15n+7=0 | | 2/5(25z-30)=3/4(12z+16) | | 7a-4a+5=6+7a-9a+1 | | 2y=-8y+10 | | 6y=-7y+13 | | -5w+1=-4 | | -1.5w+3=2.5w-1 | | -12-4=-t-t | | -4w=1 | | 0=-6y+34 | | C(x)=81x+1973 | | 9u+17=-5u+7 | | 6(3x+5)=5(x-4)+18 | | 4+2(-9z+4)=4(-z-1)-1 | | -3.6u+1.8=-1.8 | | -0.7-5.6=-3.5 | | 25*100=5*(500-x) | | 27a^2+39ad+14d^2= | | 12d^2-13ds-35s^2= | | 20b^3-41b^2+20b= | | 5a-2=a+18 | | 7x+38=248 | | dx+b=2(x-d) | | 44b^2-208b-60= | | 9m+3m= | | 9k=3 | | 32r^5-60r^4-27r^3= | | 3x^3+x^2-8x+4=0 |