Question

Simplify (2a +3)² using identity​

Answer 1

$\sf \Large Solution!!$

Identity used → (a + b)² = a² + b² + 2ab

(2a + 3)² = (2a)² + (3)² + 2(2a)(3)

= 4a² + 9 + 12a

Answer 2

Step-by-step explanation:

${(2a + 3)}^{2} = {(2a)}^{2} + 2 \times 2a \times 3 + {3}^{2}$

$= 4 {a}^{2} + 12a + 9$

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