Step-by-step explanation:
y=x(x+3)-1(x+3)
y= x^2+3x-x-3
y=x^2+2x-3
that is the answer
Answer:
x = 19
the angles individually equal 39
Step-by-step explanation:
Answer:

Step-by-step explanation:

Distribute
Distribute 
Distrbute 
Combine like terms

Step-by-step explanation:
plus of yhis number and solve it oksy
Answer:
X= 1/2
Step-by-step explanation:
-3x+7x=2
4x = 2
4x/4 + 2/4
X= 1/2