What are you supposed to solve???
Answer:
1.
2.
3.
Step-by-step explanation:
It is just the difference between the signs
4= 21, 2=21, 4=159 hope this helps
When multiplying numbers with exponents, you only multiply the coefficients. The variable is then copied (this applies to numbers with similar variables), and the exponents are then added. This is shown below:
3x^2 * 2x^2 = 6x^4