Question

find the value of p if -4 is the zero of polynomial x2-2x-[7p+3]

Answer 1

value of p is equal to minus 27 by7

Answer 2

Answer

$\sf{If -4 \: is \: zero \: of \: given \: polynomial \: then} \\ \\(−4)2−2(−4)−(7p+3)=0 \\ \\ ⇒16+8−7p−3=0 \\ \\ ⇒7p=21 \\ \\ ⇒p=3$