Solving Steps:
x²-4x-12←0
Rewrite the expression
x²+2x-6x-12←0
Factor the expression
xx(x+2)-6(x+2)←0
(x+2)x(x-6)←0
Separate into possible cases
{x+2←0
{x-6→0
{x+2→0
{x-6←0
Solve the inequalities
{x←-2
{x→6
{x→-2
{x←6
Find the intersection
xEO
xE{-2,6}
Find the union
Solution:
#Carry On Learning :)
ayan sna makatulong thanksssss
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Answers & Comments
Solving Steps:
x²-4x-12←0
Rewrite the expression
x²+2x-6x-12←0
Factor the expression
xx(x+2)-6(x+2)←0
Factor the expression
(x+2)x(x-6)←0
Separate into possible cases
{x+2←0
{x-6→0
{x+2→0
{x-6←0
Solve the inequalities
{x←-2
{x→6
{x→-2
{x←6
Find the intersection
xEO
xE{-2,6}
Find the union
Solution:
xE{-2,6}
#Carry On Learning :)
ayan sna makatulong thanksssss