Question

7xsqurare -30x -25=0

Answer 1

$\underline{\bold{Answer:-}}$


$7x {}^{2} - 30 - 25 = 0 \\ \\ = > 7x {}^{2} + 5x - 35x - 25 = 0 \\ \\ = > x(7x + 5) - 5(7x + 5) = 0 \\ \\ = > (7x + 5)(x - 5) = 0 \\ \\ = > (7x + 5) = 0 \: \: or \: \: (x - 5) = 0 \\ \\ = > x = - \frac{ 5}{7} \: \: or \: \: x = 5$


$\textbf{Hope it helps!}$