Question

Expand : ( a + 2 ) ( a + 2 )​

Answer 1

Answer:

a^2+4a+4

Step-by-step explanation:

(a+2)(a+2)

=(a+2)^2

=(a)^2+2×a×2+(2)^2

=a^2+4a+4

According to algebraic identity 1

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Answer 2

Answer:

a² + 4a + 4

Step-by-step explanation:

(a+2)(a+2)

(a+2)²

(a²+(2)²+2x2xa) {As we know that (a+b)²=a²+b²+2ab}

(a²+4+4a)

Arrange it in correct order

a²+4a+4