Solve the system of equations using substitution or graphing. A y= -x2 + 4x + 5
y= x + 1
OA) (-1,0) and (4,5)
B) (-1,0) and (6,7)
C) (1, 2) and (4,5)
OD) (1, 2) and (6, 7)

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

throw the computer

step-by-step explanation:

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation: