[tex]d {}^{2} + 12d + 27[/tex]
Write 12d as a sum or difference.
[tex] = d {}^{2} + 9d + 3d + 27[/tex]
Factor the expressions
Factor out d from the expression
Factor out 3 from the expression
[tex] = d \times (d + 9) + 3(d + 9)[/tex]
Factor out d + 9 from the expression.
[tex] = (d + 3) \times (d + 9)[/tex]
