simplify (2x-3) (5x^2-6x+9)-3x(5x^2+9)
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First take the first two brackets and solve
(2x-3)(5x^2-6x+9)
=10x^3 - 12x^2 + 18x - 15x^2 - 18x + 27
= 10x^3 -27x^2 + 27
Now take the last bracket
-3x (5x^2 + 9)
= -15x^3 - 27x
Now take both sides
10x^3 - 27x^2 + 27 - 15x^3 - 27
= -5x^3 - 27x^2
Ans : -5x^3 - 27x^2
Hope it helps!
-ArjunIsCool
(2x-3)(5x^2-6x+9)
=10x^3 - 12x^2 + 18x - 15x^2 - 18x + 27
= 10x^3 -27x^2 + 27
Now take the last bracket
-3x (5x^2 + 9)
= -15x^3 - 27x
Now take both sides
10x^3 - 27x^2 + 27 - 15x^3 - 27
= -5x^3 - 27x^2
Ans : -5x^3 - 27x^2
Hope it helps!
-ArjunIsCool
Rashmi7545:
dekho accha sai -3xinto+9 is -18 hota hai ok
-3x9=27hota h
3x*6=18hota h arjun and - 27
rshmi table check kro... why r u confuse
- hi hoga kiyuki into karnai sai jo bada digit pai sign hota hai usko mana jata hai +ya - hai
inbox mei send kr do
sorry wo galti dei likha gya
ok
and multiply v glt kia h
its oke don't worry
Answered by
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Isme 2nd last line me - 27ki jagah +27hoga... And last mei 26ki jagah 68 hoga....
Attachments:
dear dono 18ve h
no
ek +Hoga and ek - Hoga
dekho accha sai
ans kya hai bataona
tumlog
how one +ve and 1-ve
Yaswant btayenge ans kya h
is question mei last mei 26 kijagah 68hoga +ve me
2nd last line mei - 27ki jagah +27 hoga
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