Question

do
f(x) = x² + 7x+12
find
range​

Answer 1

Answer:

HELLO

X²+7X+12=0

X²+4X+3X+12=0

x(x+4)+3(x+4)

(x+3)(x+4)=0

x+3) = 0 or (x+4)=0

x= -3 x= -4

HOPE IT HELPS U