Question 1 (iv)

Simplify combining like terms:

3a - 2b - ab - (a - b + ab) + 3ab + b - a

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Solution

3a - 2b - ab - (a - b + ab) + 3ab + b - a = 3a - 2b - ab - a + b - ab + 3ab + b - a
= 3a - a - a - 2b + b + b - ab - ab + 3ab
= (3a - a - a) - (2b - b - b) - (ab + ab - 3ab)
= a - 0 - (-ab)
=a + ab

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Similar questions

3 a - 2 b - a b - (a - b + a b) + 3 a b + b - a

Simplify :
$3 a - 2 b - a b - (a - b + a b) + 3 a b + b - a$

Simplify combining like terms:

(i) 21b − 32 + 7b − 20b

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(v) 5x²y − 5x² + 3y x² − 3y² + x²− y²+ 8xy² −3y²

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Question 1 (i)

Simplify combining like terms:

21b - 32 + 7b - 20b

a b^{2} - 2 a - a^{2} b - 3 a^{2} + 2 b + 3 a b

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