Question

(X+7)×(X+7) Fast please​

Answer 1

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(x+7)×(x+7)

(x+7) (x+7)

(x+7)²

[ɪᴅᴇɴᴛɪᴛʏ : (ᴀ+ʙ)² = ᴀ²+ʙ² + 2ᴀʙ]

x² + 7² + 2(x)(7)

x² + 49 + 14x

x² + 14x + 49