the area of rectangle is (20x² + 9xy - 20y²) sq units. if the breadth of rectangle is (5x - 4y) units find its length
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4
Answer:
4x+9xy-5y is the answer
Answered by
0
Answer:
4x+5y
Step-by-step explanation:
Area of rectangle = length×breath.
(20x²+9xy-20y²) = L×(5x-4y)
L= 20x²+9xy-20y²÷5x-4y
L=4x+5y..
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