Question

find the product of (x+1) (2x-1) (x+3)

Answer 1

=(x+1)(2x-1)(x+3)

=(2x^2-x+2x-1)(x+3)

=(2x^2+x-1)(x+3)

=2x^3+6x^2+x^2+3x-x-3

=2x^3+7x^2+2x-3

Answer 2

$\huge\boxed{\texttt{\fcolorbox{Red}{yellow}{Hey Mate!!!!}}}$

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Here is your answer.

$(x + 1)(2x - 1)(x + 3) \\ =( x(2x - 1) + 1(2x - 1))(x + 3) \\ = (2 {x}^{2} - x + 2x - 1)(x + 3) \\ = (2 {x}^{2} + x - 1)(x + 3) \\ = x(2 {x}^{2} + x - 1) + 3(2 {x}^{2} + x - 1) \\ = 2 {x}^{3} + {x}^{2} - x + 6 {x}^{2} + 3x - 3 \\ = 2 {x}^{3} + 7 {x}^{2} + 2x - 3$
$\large{\red{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\underline{\underline{\underline{Hope\:it\:helps\: you}}}}}}}}}}}}}}}$

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$\huge\blue{Please\: mark\:me\:as\: brainliest}$