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Algebraic Expressions — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSAlgebraic Expressions2 Marks
Question
Each symbol given below represents an algebraic expression:

The symbols are then represented in the expression:

Find the expression which is represented by the above symbols.
✓

Answer

Given,



$=\left(2 x^2+3 y\right)+\left(5 x^2+3 x\right)-\left(8 x^2-3 x^2+2 x+3 y\right)$
$=2 x^2+3 y+5 x^2+3 x-8 y^2+3 x^2-2 x-3 y$
On combining the like terms.
$=2 x^2+5 x^2+3 x^2+3 y-3 y+3 x-2 x-8 y^2$
$=10 x^2-8 y^2+x$

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