The area of a square is (4a2 – 20ab + 25b2) sq. units. What is the side of the square?
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Answered by
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Answer:
TO FIND THE SIDES YOU HAVE TO FACTORISE IT
S² = 4a²-20ab +25b²
- S² = 4a² (- 10ab -10ab) + 25b²
- S² = 2a (2a - 5b) -5b (2a - 5b)
- S² = (2a - 5b) (2a - 5b)
- S = 2a -5b
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Answered by
0
Answer:
Step-by-step explanation:
Answer:
TO FIND THE SIDES YOU HAVE TO FACTORISE IT
S² = 4a²-20ab +25b²
S² = 4a² (- 10ab -10ab) + 25b²
S² = 2a (2a - 5b) -5b (2a - 5b)
S² = (2a - 5b) (2a - 5b)
S = 2a -5b
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