(16a+19a)*(4a+3a)=

Solution for (16a+19a)*(4a+3a)= equation:

Simplifying
(16a + 19a)(4a + 3a) = 0

Combine like terms: 16a + 19a = 35a
(35a)(4a + 3a) = 0

Remove parenthesis around (35a)
35a(4a + 3a) = 0

Combine like terms: 4a + 3a = 7a
35a(7a) = 0

Remove parenthesis around (7a)
35a * 7a = 0

Reorder the terms for easier multiplication:
35 * 7a * a = 0

Multiply 35 * 7
245a * a = 0

Multiply a * a
245a2 = 0

Solving
245a2 = 0

Solving for variable 'a'.

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

Divide each side by '245'.
a2 = 0

Simplifying
a2 = 0

Take the square root of each side:
a = {0}