Express $$$2 x^{2}+12 x+11$$$ in the form $$$2(x+a)^{2}+b$$$, where $$$a$$$ and $$$b$$$ are constants. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：9709_m20_qp_12 Year：2020 Question No：9(a)

Answer:

$\left[2(x+3)^{2}\right][-7]$

1.1.1 carry out the process of completing the square for a quadratic polynomial and use a completed square form