(5a-2b)²
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Step-by-step explanation:
Simplifying
(5a + -2b) * 2 = 0
Reorder the terms for easier multiplication:
2(5a + -2b) = 0
(5a * 2 + -2b * 2) = 0
(10a + -4b) = 0
Solving
10a + -4b = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '4b' to each side of the equation.
10a + -4b + 4b = 0 + 4b
Combine like terms: -4b + 4b = 0
10a + 0 = 0 + 4b
10a = 0 + 4b
Remove the zero:
10a = 4b
Divide each side by '10'.
a = 0.4b
Simplifying
a = 0.4b
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