Question

The sum of - x³ + 2x² - 4 and - x² + 3x + 4 is :
(i) x³ + 2x² + 8
(ii) x³ + x² + 3x
(iii) -x³ + x² + 3x
(iv) -x³ + 2x²​

Answer 1

Answer:

(-x3+2x2-4)+(-x2+3x+4)

-x3+x2+3x

Answer 2

Answer:

option iii

Step-by-step explanation:

2x²-x³-4 + ( 3x - x² +4)

x²-x³+3x