Math, asked by gopal6453, 1 year ago

Expand using formula (7-3y) square.
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Answered by Brainlyconquerer
1
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As we know,

⏩Using identity,

⏩(a - b )² = a² + b² - 2(ab)

⏩(7 - 3y)² = 7² + (3y)² - 2 (7)(3y)

⏩=49 + 9y² - 42y

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Answered by Saniya
0

3y squ are - 7 = cube root 3y

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