25(2a+3b)^2-1 factorise
Answers
Answered by
1
Step-by-step explanation:
(5(2a+3b))² - 1²
=(10a +15b +1)(10a+15b -1)
Answered by
33
Answer:
Question :-
➠ 25(2a + 3b)² - 1
Formula used :-
➪ a² - b²
➭ (a + b) (a - b)
Answer :-
➠ 25(2a + 3b)² - 1
➻ {5(2a + 3b)}² - (1)²
➻ (10a + 15b)² - (1)²
➻ (10a + 15b + 1) (10a + 15b - 1)
∴ The value of 25(2a + 3b)² - 1 is (10a + 15b + 1) (10a + 15b - 1)
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