Question

This is my question (-4b^3)(2b^5

Answer 1

Answer:

$- 8{b}^{8}$

Step-by-step explanation:

$- 4 {b}^{3} \times 2 {b}^{5}$

For this question, just multiply all like terms.

$- 4 \times 2 = - 8$

${b}^{3} \times {b}^{5} = {b}^{3 + 5} = {b}^{8}$

Note that the b^3 and b^5 are just bunch of b multiplying with each other. So, that can be represented as adding the exponents.

$- 8 \times {b}^{8} = - 8 {b}^{8}$

Also, I intentionally calculated the like terms separately for your understanding. So, you can just write the answer directly after the question without the extra work shown above (unless the extra work is required).