factorise by expressing them as the difference of two squares. 1 4c²-(a+b)²
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0
Answer:
-(a+b-7c)(a+b+7c)
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Answered by
1
Answer:
(2c+a+b) (2c-a+b)
Step-by-step explanation:
4c²-(a+b)²
= (2c)² - (a+b)²
= (2c+a+b) (2c-a+b) {By difference of squares formula}
Difference of squares formula --> a² - b²
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