Factorise the followling: 7x^2-7
Answers
Answered by
16
Step-by-step explanation:
Step-by-step explanation:
Here,
7x² - 7
7 ( x² - 1)
according to formula of a - b²
7 {(x)² - ( 1)²}
7{ ( x + 1) ( x - 1)} answer
Answered by
3
Answer:
hope it will help
Step-by-step explanation:
7x²-7
7(x²-1)
7(x+1) (x-1)
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