Question

Expand the following squares
(i) (2x + 5)2

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Answer 1

Answer:

i) (2x + 5)^2

=> (2x)^2 + (2 × 2x × 5) + (5)^2

=> 4x^2 + 20x + 25

Ans. 4x^2 + 20x + 25

Step-by-step explanation:

Formula : (a + b)^2 = a^2 + 2ab + b^2

Here, we have used the above formula and expanded the following.

Hope it helps.

Answer 2

Answer:

4x square +20 + 25 is the

Step-by-step explanation:

expand