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Operations on Algebraic Expressions — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsOperations on Algebraic Expressions2 Marks
Question
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$(7 x+2 y)^2$
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Answer

$(7 x+2 y)^2$
$=(7 x)^2+2 \times 7 x \times 2 y+(2 y)^2$
$=49 x^2+28 x y+4 y^2$ ​​​​​​​

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