Question

Simplify (write in standard form if appropriate).

Answer 1

\[(-3x ^{2}+4x-7) + (2x ^{2}-7x+8)\]

Answer 2

all exponents should be positive. please explain your work too! thanks!(:

Answer 3

combine like terms. they are the terms with the same exponents

Answer 4

so you job is to add
\[-3x^2+2x^2\]

Answer 5

\[4x-7x\] and
\[-7+8\]

Answer 6

which really comes down to

\[-3+2\]
\[4-7\]
\[-7+8\]

Answer 7

thank you for making it easy for me!

Answer 8

write what you get and we can check it

Answer 9

\[-1^{2}-3x+1\]

Answer 10

close, but you forgot the write the
\[x^2\] after the \[-1\]

Answer 11

should be
\[-x^2-3x+1\]

Answer 12

\[-1^{2}-3x+1\]

Answer 13

oh right! just forgot to put that in there. thank you for your help!

Answer 14

don't write
\[-1x^2\] or your teacher will think you are a moron. just write
\[-x^2\]

Answer 15

yw