Which pair of complex numbers has a real-number product? O (1 + 21)(81)
O (1 + 21) (2 - 51)
O (1 +21)(1-21)
(1 +21)(41)

the answer would be c:   ax + b = ax + c

step-by-step explanation:

b mark me branliest thx

step-by-step explanation:

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

tap for more

m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

wouldn't that be a) 1

4=4x then divide 4 on both sides and you get x=1