Question

Rewrite the grouping symbols and symplify.
1. -[(x+5y)-3y(2x+7)]
2. -{6-[4+2(3-5+7-9)]-10}
3. -{6x²-3xy+[7x²-8xy-(2-2y)-10y²]}+11y²

Answer 1

Group the like terms.

Answer 2

open brackets

Answer 3

Can you answer this questions ?

Answer 4

i cant give u answers directly but u can guide u so that u'll understand the steps

Answer 5

i can guide u

Answer 6

what are the step?

Answer 7

open brackets
group like terms

Answer 8

then?

Answer 9

then just solve them for example for second one if u open brackets u'll get
-{6-[4+2(3-5+7-9)]-10}
-6-4+6-10+14-18-10
just solve it further and check whether its correct

Answer 10

did u got ur answer

Answer 11

Not yet

Answer 12

ok keep trying :)

Answer 13

Ok but can you give the final answer of all the question because i dont if my answer is correct.

Answer 14

Ah now i know :) and then ?

Answer 15

2) answer=-28

Answer 16

let me just solve them then i'll tell u the answers but not the solution

Answer 17

Thanks my answer is correct :)

Answer 18

\[3)answer=x^{2}+y^{2}-5xy-2y-2\]

Answer 19

1)-x-6xy+26y

Answer 20

I`ll try.

Answer 21

ok goodluck

Answer 22

But I confuse to my solution

Answer 23

Why???