Please tell the answe of Q.9 ,Q.10 , Q.11 and Q.12

Q9. 86 – [ 15x – 7 (6x – 9) – 2{10x – 5(2 –3x )}]


Q10. 12x – [3x3 + 5x2 – { 7x2 – (4 – 3x – x3) + 6x3} – 3x]


Q11. 5a – [a2 – {2a (1 – a + 4a2)– 3a (a2 – 5a – 3)}] –8 a


Q12. 3 – [x – {2y –(5x + y – 3) + 2x2} – ( x2 – 3y ) ]

Please tell the answe of Q.9 ,Q.10 , Q.11 and Q.12
 

Dear Student,

9)86-15x-76x-9-210x-52-3x86-15x-42x+63-210x-10+15x86-63-27x-225x-1086-63-27x-50x+2086-83-77x86-83+77x77x+310)12x-3x3+5x2-7x2-4-3x-x3+6x3-3x12x-3x3+5x2-7x2-4+3x+x3+6x3-3x12x-3x3+5x2-7x2-4+3x+7x3-3x12x-3x3+5x2-7x2+4-3x-7x3-3x12x--10x3-2x2+4-6x12x+10x3+2x2-4+6x10x3+2x2+18x-4
for solution to rest of the sub parts , kindly post the remaining questions in a separate thread.

Regards,

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