(3a+2)(4a-5)=

Simple and best practice solution for (3a+2)(4a-5)= 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+2)(4a-5)= equation:


Simplifying
(3a + 2)(4a + -5) = 0

Reorder the terms:
(2 + 3a)(4a + -5) = 0

Reorder the terms:
(2 + 3a)(-5 + 4a) = 0

Multiply (2 + 3a) * (-5 + 4a)
(2(-5 + 4a) + 3a * (-5 + 4a)) = 0
((-5 * 2 + 4a * 2) + 3a * (-5 + 4a)) = 0
((-10 + 8a) + 3a * (-5 + 4a)) = 0
(-10 + 8a + (-5 * 3a + 4a * 3a)) = 0
(-10 + 8a + (-15a + 12a2)) = 0

Combine like terms: 8a + -15a = -7a
(-10 + -7a + 12a2) = 0

Solving
-10 + -7a + 12a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-2 + -3a)(5 + -4a) = 0

Subproblem 1

Set the factor '(-2 + -3a)' equal to zero and attempt to solve: Simplifying -2 + -3a = 0 Solving -2 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3a = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3a = 0 + 2 -3a = 0 + 2 Combine like terms: 0 + 2 = 2 -3a = 2 Divide each side by '-3'. a = -0.6666666667 Simplifying a = -0.6666666667

Subproblem 2

Set the factor '(5 + -4a)' equal to zero and attempt to solve: Simplifying 5 + -4a = 0 Solving 5 + -4a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -4a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4a = 0 + -5 -4a = 0 + -5 Combine like terms: 0 + -5 = -5 -4a = -5 Divide each side by '-4'. a = 1.25 Simplifying a = 1.25

Solution

a = {-0.6666666667, 1.25}

See similar equations:

| 4z+3=1 | | 6y+3(1-y)=(y+2)-3y | | 50x+45x=350 | | 6x+14=-644 | | P=4x | | x-2/5=10-2x/3 | | a/5-4/5=12 | | 7h+50=99 | | -20k+28=-29 | | 13+12x=-23 | | 11.20=.08x-5 | | 1/2(6) | | 10s^2-2s^4= | | -3-9=-24 | | 11x-4=6p+1 | | -9=x/20 | | 6-2y=7y*13 | | 24^(1/3) | | 4g-5=4g+2 | | 29y-15y=4 | | -1=m+1+m | | 15=n/4 | | k=1/2bh | | 9(x-2)=30 | | 5c-40-6c-36=-84 | | 8x+-10=x+11 | | -4(-2r+1)=2+2r | | 4g-5=2(2g+1) | | (4t-3)=6 | | 24-6x=3(1-3x) | | 9s-4=77 | | 0.5(x-2.4)=-1.2 |

Equations solver categories