Answer:
Step-by-step explanation:
distance formula:
(2x+4)° + 42° = 180°
x = 67°
A = 3
Given
(5x² + 3x + 4) - (2x² + 5x - 1)
Remove the parenthesis from the first and distribute the second by - 1
= 5x² + 3x + 4 - 2x² - 5x + 1 ← collect like terms
= 3x² - 2x + 5
In the form Ax² + Bx + C
with A = 3
3127 mm3
