Question

ok, when adding numbers with like exponents, do you add or multiply the exponents? for example -2s^3 + 9s^3

Answer 1

don't touch the exponents when adding or subtracting

Answer 2

so that would be 7s^3?

Answer 3

for example -2000 -9000 = 7000
by which i mean
\[-2\times 10^3+9\times 10^3=7\times 10^3\]

Answer 4

and so as you said
\[-2s^3+9s^3=7x^3\]

Answer 5

ok, great, thank you, will have another answer to verify here shortly lol

Answer 6

not a problem of exonents . simply take it common