Question

Pls help....................

Answer 1

$b^2+6b=0\\ b(b+6)=0\\ b=0 \vee b=-6\\\\ 5x^2-5x=0\\ 5x(x-1)=0\\ x=0 \vee x=1\\\\ -10x+35x=0\\ 25x=0\\ x=0\\\\ 2x+15x=0\\ 17x=0\\ x=0\\\\ 18x^2+6x=0\\ 6x(3x+1)=0\\ x=0 \vee x=-\frac{1}{3}\\\\ -32x^2-24x=0\\ -8x(4x+3)=0\\ x=0 \vee x=-\frac{3}{4}$