Math, asked by preetiparaskar, 6 months ago

Evaluate: (4a - 7b²)

Answers

Answered by Snapskg730

1

Answer:

(4a - 7b²)

using formula (a-b)² = a² + b² - 2ab

= (4a)² + (7b)² - 2(4a)(7b)

= 16a² + 49b² - 56ab

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Answered by kapilneemrot1311

0

Answer:

Question in incorrect

Step-by-step explanation:

(4a-7b)^2
16a^2-56ab+49b^2
(a-b)^2 = a^2 - 2ab +b^2

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