Answer:
(2x+1)(x+3)= 2x × x + 2x × 3 + 1 × x + 1 × 3
=2x² + 6x + 1x + 3
=2x² + 7x + 3
2x²+7x+3
Explanation:
(2x+1)(x+3)
multiply the terms in the first bracket by the second bracket
2x(x+3) + 1(x+3)
=> 2x²+6x+x+3
⇒ 2x²+7x+3
Hope this helps! :)
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