Question

Simplify (8j3 – 10j2 – 7) – (6j3 – 10j2 – j + 12)
Answer
2j3 + j – 19
2j3 – 20j2 + j – 19
2j3 – j + 5
2j3 – 20j2 – j + 5

Answer 1

2nd one
8j3-10j2-7-6j3+10j2+j-12
add or subtract the like terms to get your answer.

Answer 2

sorry ,it will be first one

Answer 3

thanks

Answer 4

was this right