Question

find the missing factor 2x^2+9x+7=(x+1) ( )

Answer 1

2x+7 is the missing factor since 2x*x is 2x^2 and 7 * 1 is 7 and 7+2 = 9

Answer 2

To find the missing factor
${2x}^{2} + 9x +7 \\ by \: cross \: method \\ (x + 1)(7x + 2)$
thus the answer is (7x+2)

hope it helps!