Question

(x+2) cm , (2x+1) cm​

Answer 1

Answer:

$(x + 2)(2x + 1)$

$x(2x + 1) + 2(2x + 1)$

${2x}^{2} + x + 4x + 2$

${2x}^{2} + 5x + 2$

Ans. 2x^2 + 5x + 2

Hope it helps.

Answer 2

Answer:-

(1) 2 is added to x

(2) first x is multiplied by 2,then 1 added to the product

Necessary:-

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