Question

write the cofocent of x in
${(3x - 5)}^{2}$

Answer 1

by expanding
$( {3x - 5})^{2} \\ ({3x})^{2} - 2(3x)(5) + {5}^{2} \\ 9 {x}^{2} - 30x + 25$
here the coefficient of x is -30