Remove or Add Parentheses as Indicated $a + b \cdot a + b = a ^ { 2 } + 2 a b + b ^ { 2 }$

question 95

Multiple Choice

Remove or add parentheses as indicated.
-Place parentheses to make the equation $a + b \cdot a + b = a ^ { 2 } + 2 a b + b ^ { 2 }$ true.

• A) \(a + b \cdot ( a + b ) = a ^ { 2 } + 2 a b + b ^ { 2 }\)
• B) \(( a + b ) \cdot ( a + b ) = a ^ { 2 } + 2 a b + b ^ { 2 }\)
• C) None needed.
• D) \(( a + b ) \cdot a + b = a ^ { 2 } + 2 a b + b ^ { 2 }\)

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Definitions:

HAc

A shorthand notation for acetic acid, a colorless liquid organic compound with the chemical formula CH3COOH.

K

Symbol for Potassium, a soft, silvery-white metallic element essential for plant growth and human nutrition.

M

In the context of concentration, M stands for molarity, a measure of the concentration of a solute in a solution, defined as moles per liter.

Equilibrium Reaction

A chemical reaction in which the forward and reverse reactions occur at the same rate, so that the concentrations of the reactants and products do not change with time.