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Algebraic Expressions — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsAlgebraic Expressions2 Marks
Question
Find the following product:
$\frac{7}{2}\text{x}^2\Big(\frac{4}{7}\text{x}+2\Big)$
✓

Answer

$=\frac{7}{2}\text{x}^2\times \frac{4}{7}\times \text{x}+\frac{7}{2}\text{x}^2\times 2$
$=\frac{7}{2}\times \frac{4}{7}\times\text{x}^2\times \text{x}+\frac{7}{2}\times 2\times \text{x}^2$
$=2\times \text{x}^{(2+1)}+7\text{x}^2$
$=2\text{x}^3+7\text{x}^2$

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