Question

7x² - 25x - 12. factorise it​

Answer 1

Answer:

$7 {x}^{2} - 28x + 3x - 12 = 0 \\ = 7x(x - 4) + 3(x - 4) = 0 \\ = (x - 4)(7x + 3) = 0 \\ = x = 4 \: \: and \: \: \frac{ - 3}{7} \: \: ans$

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