(7+a/4)²
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Answer:
Find common denominator
(7+4)2
(7+\frac{a}{4})^{2}(7+4a)2
(4⋅74+4)2
Multiply the numbers
(4⋅7+4)2
(\frac{{\color{#c92786}{4}} \cdot {\color{#c92786}{7}}+a}{4})^{2}(44⋅7+a)2
(28+4)2
Multiply the numbers
(4⋅7+4)2
(\frac{{\color{#c92786}{4}} \cdot {\color{#c92786}{7}}+a}{4})^{2}(44⋅7+a)2
(28+4)2
Rearrange terms
Solution
(+284)
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