30x^2+50x-60=30

Simple and best practice solution for 30x^2+50x-60=30 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 30x^2+50x-60=30 equation:


Simplifying
30x2 + 50x + -60 = 30

Reorder the terms:
-60 + 50x + 30x2 = 30

Solving
-60 + 50x + 30x2 = 30

Solving for variable 'x'.

Reorder the terms:
-60 + -30 + 50x + 30x2 = 30 + -30

Combine like terms: -60 + -30 = -90
-90 + 50x + 30x2 = 30 + -30

Combine like terms: 30 + -30 = 0
-90 + 50x + 30x2 = 0

Factor out the Greatest Common Factor (GCF), '10'.
10(-9 + 5x + 3x2) = 0

Ignore the factor 10.

Subproblem 1

Set the factor '(-9 + 5x + 3x2)' equal to zero and attempt to solve: Simplifying -9 + 5x + 3x2 = 0 Solving -9 + 5x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -3 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + 1.666666667x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + 1.666666667x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 1.666666667x + x2 = 0 + 3 1.666666667x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 1.666666667x + x2 = 3 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = 3 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = 3 + 0.6944444447 Combine like terms: 3 + 0.6944444447 = 3.6944444447 0.6944444447 + 1.666666667x + x2 = 3.6944444447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 3.6944444447 Calculate the square root of the right side: 1.922093766 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 1.922093766 and -1.922093766.

Subproblem 1

x + 0.8333333335 = 1.922093766 Simplifying x + 0.8333333335 = 1.922093766 Reorder the terms: 0.8333333335 + x = 1.922093766 Solving 0.8333333335 + x = 1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 1.922093766 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 1.922093766 + -0.8333333335 x = 1.922093766 + -0.8333333335 Combine like terms: 1.922093766 + -0.8333333335 = 1.0887604325 x = 1.0887604325 Simplifying x = 1.0887604325

Subproblem 2

x + 0.8333333335 = -1.922093766 Simplifying x + 0.8333333335 = -1.922093766 Reorder the terms: 0.8333333335 + x = -1.922093766 Solving 0.8333333335 + x = -1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -1.922093766 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -1.922093766 + -0.8333333335 x = -1.922093766 + -0.8333333335 Combine like terms: -1.922093766 + -0.8333333335 = -2.7554270995 x = -2.7554270995 Simplifying x = -2.7554270995

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0887604325, -2.7554270995}

Solution

x = {1.0887604325, -2.7554270995}

See similar equations:

| 384=3/4x | | 1+2+2+3= | | 30x^2+50x-60x=30 | | 6(v-1)=2v+4-2(-7v-1) | | 0.2x-(0.1x-5)=0 | | 55=3u+16 | | 3+21.34-16+30= | | -3(4y-1)+3y=3(y+2) | | 8x+5=21 | | 3(v-12)-18=-12 | | x^7+x^4-64x^3-64=0 | | 40+5x+14=x | | 17+3x+7= | | 132=(x)(x+1) | | 8x+36=89 | | (n+5)(n+2)=0 | | 4(z-18)+13=17 | | 3x-20=2(x+14) | | 3/10=18/x | | C=8(y+k) | | 3(2x+6)-10=4(x+3) | | 13p+(-8p)+1=-19 | | 3-w=2 | | 3-w=3 | | 9=72/x | | 2(l+w)=85 | | 4,000/500= | | 4(s-15)+6=10 | | (x^(7/3))^(9/14) | | Q/6=108 | | 14-3m+2m-10-5m= | | 12+13x=56 |

Equations solver categories