Subtract: 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3

Sum

The given expressions are in separate rows, with like terms one below the other, and then the subtraction of these expressions is as follows:

12a – 9ab + 5b – 3
4a – 7ab + 3b + 12
(–) (+) (–) (–)
_____________________
8a – 2ab + 2b – 15

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Subtract 4p²q − 3pq + 5pq² − 8p + 7q − 10 from 18 − 3p − 11q + 5pq − 2pq² + 5p²q

Simplify combining like terms: p − (p − q) − q − (q − p)

Simplify combining like terms: 5x²y − 5x² + 3y x² − 3y² + x² − y² + 8xy² −3y²

Add: t - 8tz, 3tz - z, z - t

Add: 5m - 7n, 3n - 4m + 2, 2m - 3mn - 5

What should be added to x² + xy + y² to obtain 2x² + 3xy?

Find the sum of the following expressions

7p + 6q, 5p – q, q + 16p

Find the expression to be added with 5a – 3b – 2c to get a – 4b – 2c?

Add:

2p⁴ – 3p³ + p² – 5p + 7, –3p⁴ – 7p³ – 3p² – p – 12

Add the following expressions:

a² + 3ab – bc, b² + 3bc – ca and c² + 3ca – ab