Answer:
y=x^2-4x-3
Step-by-step explanation:
y= (x-2x -1)(х+3)
= x^2+3x-2x^2-6x-x-3
= -x^2-4x-3
90°
This is because of the fact that a square always has four 90° angles
Answer:
s = t²/v
Step-by-step explanation:
The variable s is divided by t. To undo that division, multiply the equation by t.
s = t²/v