Answer:
3x² + 8x + 1
Step-by-step explanation:
Given
4(x² - 1) - (x² - 8x - 5) ← distribute both parenthesis
= 4x² - 4 - x² + 8x + 5 ← collect like terms
= 3x² + 8x + 1
Answer:
B. It is already in standard form
Step-by-step explanation:
The equation is already set up in standard form.
Answer:
ferferferferferferf
Step-by-step explanation:
csc(-120°)= -(2√(3))/3
or in decimal form -1.154700538