Answer:
x³ + 3x² - 5
Step-by-step explanation:
(x³ - 5x + 4) + (2x² + 5x - 6) - (-x² + 3)
x³ - 5x + 4 + 2x² + 5x - 6 + x² - 3
x³ + 3x² - 5
Answer:
side of angel equal to see(-2, -3), a(2, 3) and n(5, -4) is the shortest
My answer would be to add 3 to both sides