Question

PLease help! look in attachment!! :)

Answer 1

is \[x ^{2} - 9/x+3 \] the same as x+3???

Answer 2

not quite\[a^2-b^2=(a-b)(a+b)\]so which part of that will cancel in your formula
which part is left over?

Answer 3

i made a mistake on the question.... the right queston is x^2−9/x+3 the same as x - 3

Answer 4

then the answer is "yes" :)

Answer 5

ok, i thought so... thanks :)

Answer 6

for most purposes I should say

Answer 7

there are some technicalities, but I doubt you're in that kind of math yet

Answer 8

yeah probly not... just 9th grade math