Subtraction of Algebraic Expression
Subtraction of Algebraic Expression
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Subtraction of Algebraic Expression: The difference between two like terms is a like term with a numerical coefficient equal to the difference between the numerical coefficients of the two like terms. Note: Unlike terms cannot be subtracted the way like terms are subtracted. Example: If we subtract 7 from 3xy, the result is 3xy - 7. Example: Subtract a-b from 3a-b+4 Solution: The difference= 3a - b + 4 - (a - b) = 3a - b + 4 - a + b Observe how we look (a - b) in brackets and look care of sign in opening the bracket. Rearranging the terms to put like terms together; The difference= 2a + (0) b + 4 = 2a + 4 Subtraction of algebraic expressions are explained in each steps: |
Subtract (12xy + 3y) from (20xy - 8y+ x) | |||
| Right Option : B | |||
| View Explanation | |||
Subtract : | |||
| Right Option : B | |||
| View Explanation | |||
Simplify : x - x = | |||
| Right Option : B | |||
| View Explanation | |||
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