Factorise it 7x ^2 − 25 x − 12
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Question :-
➪ 7x² - 25x - 12
Answer :-
➠ 7x² - 25x - 12
➻ 7x² - (28 - 3)x - 12
➻ 7x² - 28x + 3x - 12
➻ 7x(x - 4) + 3(x - 4)
➻ (x - 4) (7x + 3)
∴ The value of 7x² - 25x - 12 is (x - 4) (7x + 3)
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