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Algebraic Expressions — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsAlgebraic Expressions2 Marks
Question
Add the following expressions:
8a - 6ab + 5b, -6a - ab - 8b and -4a + 2ab + 3b
✓

Answer

Required expression:
= (8a - 6ab + 5b) + (-6a - ab - 8b) + (-4a + 2ab + 3b)
Collecting positive and negative like terms together, we get
8a - 6a - 4a - 6ab - ab + 2ab + 5b - 8b + 3b
= 8a - 10a - 7ab + 2ab + 8b - 8b
= -2a - 5ab

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