solve (x-5)²-(5x-25)-24
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Answer:
- (x - 5) ² - (5x - 25) - 24 = (x - 2) (x - 13)
Given:
- (x - 5) ² - (5x - 25) - 24
Solution:
Method (1) :
➪ (x - 5)² - (5x - 25) - 24
➪ x² - 10x + 25 - 5x + 25 - 24
- Now middle term
➪ x² - 2x - 13x + 26
➪ x (x - 2) (x - 13)
Method (2) :
- Let x - 5 = a
➪ (x - 5)² - (5x - 25) - 24
➪ a² - 5a - 24
➪ a² - 8a + 3a - 24
➪ a (a - 8) + 3 ( a - 8)
➪ (a + 3) (a - 8)
- Replacing x = -5
➪ (x - 5 + 3) (x - 5 - 8)
➪ (x - 2) (x - 13)
Hence, (x - 5) ² - (5x - 25) - 24 = (x - 2) (x - 13)
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