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Algebraic Expressions and Identities — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsAlgebraic Expressions and Identities2 Marks
Question
Multiply:
$\left(x^2+y^2\right) \text { by }(3 a+2 b)$
✓

Answer

To multiply, we will use distributive law as foll
$\left(x^2+y^2\right) b y(3 a+2 b)$
$=x^2(3 a+2 b)+y^2(3 a+2 b)$
$=3 a x^2+2 b x^2+3 a y^2+2 b y^2$
Thus, the answer is $3 a x^2+2 b x^2+3 a y^2+2 b y^2$.

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