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

Solution for (5a-2)(3a+4)= equation:

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

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

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

Multiply (-2 + 5a) * (4 + 3a)
(-2(4 + 3a) + 5a * (4 + 3a)) = 0
((4 * -2 + 3a * -2) + 5a * (4 + 3a)) = 0
((-8 + -6a) + 5a * (4 + 3a)) = 0
(-8 + -6a + (4 * 5a + 3a * 5a)) = 0
(-8 + -6a + (20a + 15a2)) = 0

Combine like terms: -6a + 20a = 14a
(-8 + 14a + 15a2) = 0

Solving
-8 + 14a + 15a2 = 0

Solving for variable 'a'.

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

Subproblem 1
Set the factor '(-4 + -3a)' equal to zero and attempt to solve:

Simplifying
-4 + -3a = 0

Solving
-4 + -3a = 0

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

Add '4' to each side of the equation.
-4 + 4 + -3a = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -3a = 0 + 4
-3a = 0 + 4

Combine like terms: 0 + 4 = 4
-3a = 4

Divide each side by '-3'.
a = -1.333333333

Simplifying
a = -1.333333333
Subproblem 2
Set the factor '(2 + -5a)' equal to zero and attempt to solve:

Simplifying
2 + -5a = 0

Solving
2 + -5a = 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 + -5a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5a = 0 + -2
-5a = 0 + -2

Combine like terms: 0 + -2 = -2
-5a = -2

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

Simplifying
a = 0.4
Solution
a = {-1.333333333, 0.4}