Sagot :
SOLUTION
[tex] \large \green{x} \red{(x + 7)} = 0 \\ \large \green{ (x)} \red{(x)} + \green{(x)} \red{(7)} = 0 \\ \large{x^{2} + 7x = 0}[/tex]
ANSWER
[tex] \boxed{ \tt \large \purple{ {x}^{2} + 7x = 0}}[/tex]
[tex] \large \green{x} \red{(x + 7)} = 0 \\ \large \green{ (x)} \red{(x)} + \green{(x)} \red{(7)} = 0 \\ \large{x^{2} + 7x = 0}[/tex]
[tex] \boxed{ \tt \large \purple{ {x}^{2} + 7x = 0}}[/tex]