Question

solve the first 6 questions I will mark you as a brainliest please it's argent , please friends

Answer 1

Answer:

$\huge\red{\textbf{Hello\:Mate}}$

PREFER TO ATTACHMENT.

Sorry no space for 6th one.!

Fist break line bracket.

then small bracket.

then curly one.

then big one.

$\huge\green{\textbf{Stay\:Happy}}$

Answer 2

1. a^2-2a+{5a^2-(3a-4a^2)}

[a^2+5a^2-4a^2-(3a+2a)]

2a^2-5a is answer

when there is vinculum symbol over any expression,remove vinculum and keep whole expression in bracket..

2. x-y-{x-y-(x+y)-(x-y)}

x-y-x+y+(x+y)+(x-y)

2x is answer

3. -3(1-x^2)-2{x^2-(3-2x^2)}

-3+3x^2-2{x^2-3+2x^2}

-3+3x^2-2x^2+6-4x^2

-3x^2+3 is answer

4. 2{m-3(n+m-2n)}

2{m-3n-3m+6n}

2{3n-2m}

6n-4m is answer

5. 3x-[3x-{3x-(3x-(3x-y)}]

3x-[3x-{3x-(3x-3x+y)}]

3x-[3x-{3x-3x+3x-y}]

3x-[3x-3x+3x-3x+y]

3x-3x+3x-3x+3x-y

3x-y is answer..

6. p^2x-2{px-3x(x^2-3a-x^2)}

p^2x-2{px-3x^3+9ax+3x^3}

p^2x-2px+6x^3-18ax-6x^3

p^2x-2px-18ax is answer