Multiply 2x - 5 and 4x - 3- - Maths Q - A

Perform multiplication of 2x + 5 with 4x + 3.[ (2x+5)×(4x+3); ⇒ 8x^2+20x+6x+15; ⇒ 8x^2+26x+15 ]Hence the product of 2x + 5 and 4x + 3 is 8x^2+26x+15. ...

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Standard IX

Mathematics

Polynomials

Multiply 2x +...

Question

Multiply $2 x + 5$ and $4 x + 3$ .

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Solution

Perform multiplication of $2 x + 5$ with $4 x + 3$ .
$\begin{array}{l} (2 x + 5) \times (4 x + 3) \\ \Rightarrow 8 x^{2} + 20 x + 6 x + 15 \\ \Rightarrow 8 x^{2} + 26 x + 15 \end{array}$
Hence the product of $2 x + 5$ and $4 x + 3$ is $8 x^{2} + 26 x + 15$ .

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Multiply 2x+5 and 4x+3.

Perform multiplication of 2x+5 with 4x+3. 2x+5×4x+3⇒8x2+20x+6x+15⇒8x2+26x+15Hence the product of 2x+5 and 4x+3 is 8x2+26x+15.

Multiply $2 x + 5$ and $4 x + 3$ .

Perform multiplication of $2 x + 5$ with $4 x + 3$ .
$\begin{array}{l} (2 x + 5) \times (4 x + 3) \\ \Rightarrow 8 x^{2} + 20 x + 6 x + 15 \\ \Rightarrow 8 x^{2} + 26 x + 15 \end{array}$
Hence the product of $2 x + 5$ and $4 x + 3$ is $8 x^{2} + 26 x + 15$ .