(5a-2b)(7a-4b)=

Simple and best practice solution for (5a-2b)(7a-4b)= 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 (5a-2b)(7a-4b)= equation: 


Simplifying
(5a + -2b)(7a + -4b) = 0

Multiply (5a + -2b) * (7a + -4b)
(5a * (7a + -4b) + -2b * (7a + -4b)) = 0
((7a * 5a + -4b * 5a) + -2b * (7a + -4b)) = 0

Reorder the terms:
((-20ab + 35a2) + -2b * (7a + -4b)) = 0
((-20ab + 35a2) + -2b * (7a + -4b)) = 0
(-20ab + 35a2 + (7a * -2b + -4b * -2b)) = 0
(-20ab + 35a2 + (-14ab + 8b2)) = 0

Reorder the terms:
(-20ab + -14ab + 35a2 + 8b2) = 0

Combine like terms: -20ab + -14ab = -34ab
(-34ab + 35a2 + 8b2) = 0

Solving
-34ab + 35a2 + 8b2 = 0

Solving for variable 'a'.

Factor a trinomial.
(7a + -4b)(5a + -2b) = 0


Subproblem 1
Set the factor '(7a + -4b)' equal to zero and attempt to solve:

Simplifying
7a + -4b = 0

Solving
7a + -4b = 0

Move all terms containing a to the left, all other terms to the right.

Add '4b' to each side of the equation.
7a + -4b + 4b = 0 + 4b

Combine like terms: -4b + 4b = 0
7a + 0 = 0 + 4b
7a = 0 + 4b
Remove the zero:
7a = 4b

Divide each side by '7'.
a = 0.5714285714b

Simplifying
a = 0.5714285714b

Subproblem 2
Set the factor '(5a + -2b)' equal to zero and attempt to solve:

Simplifying
5a + -2b = 0

Solving
5a + -2b = 0

Move all terms containing a to the left, all other terms to the right.

Add '2b' to each side of the equation.
5a + -2b + 2b = 0 + 2b

Combine like terms: -2b + 2b = 0
5a + 0 = 0 + 2b
5a = 0 + 2b
Remove the zero:
5a = 2b

Divide each side by '5'.
a = 0.4b

Simplifying
a = 0.4b
Solution
a = {0.5714285714b, 0.4b}

See similar equations:

| -18/0 | | 2x+b=16900 | | x^3-18x^2-13x+7=0 | | Xlog(5)=log(20) | | 2(9y-5)-(4y+8)= | | 10h-7=73 | | ((6u^2y^2)-((9u^3v^4))/(6u^5) | | 4(5x+1)+5(x-5)= | | x-/4=1/4 | | (6u^2y^2-(9u^3v^4))/6u^5 | | https://mansfield.owschools.com/media/g_pal_2014/5/x-3_4=1_4.gif | | 13x+-12= | | 7a=(6b) | | 25xy/35y= | | 1800-(2/3) | | 370=87s | | -154=-11p | | 5(3)+3y=8 | | 1+n=-10 | | (3x-4y)-(5x-3y)= | | 15x^2=2x+3 | | 1800-2/3 | | 5(-4)-2y=15 | | (3/4p)-4=5 | | 4=n+9 | | -17=-3+n | | 2+3x=-14 | | -6=-16+a | | 5+5pq= | | -9y/-9= | | p/2-4=6 | | 4x+10+3x=40-3d |

Equations solver categories