3a(-3a^2+2a-7)=

Simple and best practice solution for 3a(-3a^2+2a-7)= 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 3a(-3a^2+2a-7)= equation:


Simplifying
3a(-3a2 + 2a + -7) = 0

Reorder the terms:
3a(-7 + 2a + -3a2) = 0
(-7 * 3a + 2a * 3a + -3a2 * 3a) = 0
(-21a + 6a2 + -9a3) = 0

Solving
-21a + 6a2 + -9a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '3a'.
3a(-7 + 2a + -3a2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

Set the factor '(-7 + 2a + -3a2)' equal to zero and attempt to solve: Simplifying -7 + 2a + -3a2 = 0 Solving -7 + 2a + -3a2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. 2.333333333 + -0.6666666667a + a2 = 0 Move the constant term to the right: Add '-2.333333333' to each side of the equation. 2.333333333 + -0.6666666667a + -2.333333333 + a2 = 0 + -2.333333333 Reorder the terms: 2.333333333 + -2.333333333 + -0.6666666667a + a2 = 0 + -2.333333333 Combine like terms: 2.333333333 + -2.333333333 = 0.000000000 0.000000000 + -0.6666666667a + a2 = 0 + -2.333333333 -0.6666666667a + a2 = 0 + -2.333333333 Combine like terms: 0 + -2.333333333 = -2.333333333 -0.6666666667a + a2 = -2.333333333 The a term is -0.6666666667a. Take half its coefficient (-0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. -0.6666666667a + 0.1111111112 + a2 = -2.333333333 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667a + a2 = -2.333333333 + 0.1111111112 Combine like terms: -2.333333333 + 0.1111111112 = -2.2222222218 0.1111111112 + -0.6666666667a + a2 = -2.2222222218 Factor a perfect square on the left side: (a + -0.3333333334)(a + -0.3333333334) = -2.2222222218 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

a = {0}

See similar equations:

| x^2=72x+9 | | (3/4)*4-2 | | 46x+7x+7x=180 | | -4x-7y=-14 | | -5=(3/4)4-2 | | -y(5y^3-3y^2+2y)= | | 5b^2+8b+3= | | 21x+7=42 | | 16x+10x+Ax=180 | | 3x+2=124 | | 3w^2-22w+24=0 | | (x^2+2x)+(y^2-6y)=-14 | | 3w^2-22w+243w=0 | | 2x+27=5x-18 | | w^2+9x+14=0 | | (7p+6)(p-6)=0 | | 1/15y=2/5 | | 40=-10 | | 2.50+15x=1.00+20x | | 2.5+15x=1+20x | | 4(3x+4)-20x=3+5x | | 2(z-7)=5(z+1)-13 | | x*e^2x=0 | | (99+x)(1-x)=100-x^2-98x | | 14-6z-17=8z+24-5z | | X(x-250)3(x-250)=3500 | | 4(u+9)=-5u-27 | | 5.1y=20.4 | | 6y+10=-3y-8 | | 7(2x+-3)+6=-2(-6x-20)-1 | | (99+x)(1-x)=100x^2-98x | | 8x3/28= |

Equations solver categories