Question

If D = 1 + 4p – 6p2 and C =1-p, find an expression that equals 2Dstandard form.

Answer 1

$\begin{gathered} D=1+4p-6p^2 \\ C=1-p \\ \text{FIND 2D-3C} \\ 2D-3C=2(1+4p-6p^2)-3(1-p) \\ 2D-3C=2+8p-12p^2-3+3p \\ 2D-3C=-12p^2+8p+3p+2-3 \\ 2D-3C=-12p^2+11p-1 \end{gathered}$