Question

(x – 7)(x –7)
expand using indentity​

Answer 1

Answer:

(x-7)²=x²-2×x×7+7²

x²-14x+49

Answer 2

Step-by-step explanation:

Property used in the solutions : —

( a - b )( a - b ) = ( a - b )² = a² + b² - 2ab

( x - 7 )( x - 7 )

→ ( x - 7 )²

→ ( x )² + ( 7 )² - 2( x × 7 )

→ x² + 49 - 14x

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