[tex]\large{\underline{\underline{\pmb{\sf{\color {red}{Solve:}}}}}}[/tex]
[tex] \sf \red{1. \: (3x - x) (x + 2) = 0}[/tex]
[tex] \sf \red{2. \: (q + 2)^{2} - 40}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
2.soln:
(q + 2)² - 40
=> (q)² + 2.q.2 + (2)² - 40
=> q² + 4q + 4 - 40
=>q² + 4q - 36
Here, a = 1, b = 4 and c = - 36
By, using Quadratic formula
See the attachment
