Incorrect. To factor $\displaystyle{{x}}^{{2}}+{b}{x}+{c}\usepackage{cmbright}\Huge\$ , find integers r and s, whose product is c and whose sum is b. Rewrite the expression as $\displaystyle{{x}}^{{2}}+{r}{s}+{s}{x}+{c}\usepackage{cmbright}\Huge\$ , and then factor by grouping.