Question

Simplify (8j3 – 3j2 + 5) – (4j3 + 8j2 + 7j – 6)

Answer 1

\[\large 8j^3 - 3j^2 + 5 - 4j^3 - 8j^2 - 7j + 6\]

\[\large (8j^3 - 4j^3) - (8j^2 + 3j^2) - 7j + (6+5) = ??\]

Answer 2

Simply solve for brackets..

Answer 3

4j^3+11j^2-7j+11?

Answer 4

Little correction..

Answer 5

\[\implies \large 4j^3 \color{blue}{-} 11j^2- 7j + 11\]

Answer 6

There is minus sign outside and you ignored that...