Question

this is the qustion ​

Answer 1

a.

$25x^2-(12(5x-3))=0$

$(25 (x2)) - 12 (5x - 3) = 0$

$5 ^{2} x ^{2} - 12 (5x - 3) = 0$

$(5x - 6) ^{2} = 0$

$x = \frac{6}{5}$

b.

$\frac{x}{3} = \frac{3x - 5 + 12 }{2}$

$\frac{x}{3} = \frac{3x + 7}{2}$

$2x = 9x + 21$