(a+10)(a+100)=

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Solution for (a+10)(a+100)= equation:


Simplifying
(a + 10)(a + 100) = 0

Reorder the terms:
(10 + a)(a + 100) = 0

Reorder the terms:
(10 + a)(100 + a) = 0

Multiply (10 + a) * (100 + a)
(10(100 + a) + a(100 + a)) = 0
((100 * 10 + a * 10) + a(100 + a)) = 0
((1000 + 10a) + a(100 + a)) = 0
(1000 + 10a + (100 * a + a * a)) = 0
(1000 + 10a + (100a + a2)) = 0

Combine like terms: 10a + 100a = 110a
(1000 + 110a + a2) = 0

Solving
1000 + 110a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(100 + a)(10 + a) = 0

Subproblem 1

Set the factor '(100 + a)' equal to zero and attempt to solve: Simplifying 100 + a = 0 Solving 100 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + -100 + a = 0 + -100 Combine like terms: 100 + -100 = 0 0 + a = 0 + -100 a = 0 + -100 Combine like terms: 0 + -100 = -100 a = -100 Simplifying a = -100

Subproblem 2

Set the factor '(10 + a)' equal to zero and attempt to solve: Simplifying 10 + a = 0 Solving 10 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + a = 0 + -10 Combine like terms: 10 + -10 = 0 0 + a = 0 + -10 a = 0 + -10 Combine like terms: 0 + -10 = -10 a = -10 Simplifying a = -10

Solution

a = {-100, -10}

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