Question

solve


(10x2 - 5) - (3x2 - 2x + 7)

Answer 1

\[ (10x^ 2 - 5) - (3x^2 - 2x + 7)\]

Answer 2

collect like terms

Answer 3

collect?

Answer 4

Combine

Answer 5

like combine?

Answer 6

oh ok:)

Answer 7

you know how to do that, right?

Answer 8

first distribute the - by the perenthesis

Answer 9

example\[2x^2+5x+3x^2+x\implies(2+3)x^2+(5+1)x=5x^2+6x\]see how x^2 terms were added together?
that is what we mean by collecting like terms

Answer 10

yes i do... i think i have the answer, could you check it

Answer 11

i understand

Answer 12

please post what you think the answer is that would be great :D

Answer 13

what did you get?

Answer 14

\[7x^2 +2x -12\] is the simplified answer.

Answer 15

7x^2 +2x -12 is correct