Answer:

Step-by-step explanation:
Given
x² + x
To complete the square
add ( half the coefficient of the x- term )² to x² + x
x² + 2(
)x + (
)² = x² + x + 
= (x +
)² ← perfect square
Answer: true :))
Step-by-step explanation:
R(x)-c(x)=x²-30x+20 choose C
1 Possible answer x is 10
30 60 90 are anglesAnswer:
Graph it
Step-by-step explanation: