(4t^3-at^2-2bt+5)-(ct^3+2t^2-6t+3)

simplify or subtract? ill put the answer in the comments

Step-by-step explanation:

I simplified it this is what i got

−ct3−at2+4t3−2bt−2t2+6t+2

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,