Question

Evaluate each expression for the given values of the variable. −4√ef -4ef, where e=7 and f=7

Answer 1

$-4\sqrt{ef} -4ef$
$-4\sqrt{(7)(7)} -4(7)(7)$
$-4\sqrt{7^2} -196$
$-4(7) -196$
-28-196
-224