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Subtract: -m2 + 5mn from 4m2 - 3mn + 8 - CBSE Class 7 - Mathematics

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Question

Subtract: -m2 + 5mn from 4m2 - 3mn + 8

Solution

(4m2 - 3mn + 8) - (- m2 + 5mn) = 4m2 - 3mn + 8 + m2 - 5 mn

= 4m2 + m2 - 3mn - 5 mn + 8

= 5m2 - 8mn + 8

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 12: Algebraic Expressions
Ex. 12.20 | Q: 3.5 | Page no. 240
Solution Subtract: -m2 + 5mn from 4m2 - 3mn + 8 Concept: Addition and Subtraction of Algebraic Expressions.
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