Step-by-step explanation:
Since the Area of a rectangle is equal to Length multiplied by the width (A = L × W), you just have to divide the given Area to the given Length. In mathematical representation,
A = L × W
A/L = W
W = (4m-4n-m³+m²n) / (4-m²)
W = (m - n)
CHECKING
A = (4 - m²)(m - n)
A = 4(m) + 4(-n) + (-m²)(m) + (-m²)(-n)
A = 4m - 4n - m³ + m²n ✔
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Answers & Comments
Step-by-step explanation:
Since the Area of a rectangle is equal to Length multiplied by the width (A = L × W), you just have to divide the given Area to the given Length. In mathematical representation,
A = L × W
A/L = W
W = (4m-4n-m³+m²n) / (4-m²)
W = (m - n)
CHECKING
A = L × W
A = (4 - m²)(m - n)
A = 4(m) + 4(-n) + (-m²)(m) + (-m²)(-n)
A = 4m - 4n - m³ + m²n ✔