What should go in the missing space?

$3x^2+10x-8$3x2+10x−8 $=$= $\left(3x-2\right)$(3x−2)$($($x$x $+$+ $\editable{}$ $)$)

Find the integer values that should go in the missing spaces to make the factorisation correct.

Find the missing values in the following identity: