Simplify the expression: (x⁴ + 3x³ – 2x² + 5) + (2x⁴ – 5x³ + 4x – 15).

3x4-2x3-2x2+4x-10

Step-by-step explanation:

you just add the ones that are similar to each other.

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

pls refer ro the top for answer