Math, asked by ab1534858g, 5 months ago

expanded form of (7q-9q)² is

Answers

Answered by Nabhanya7102005

0

Answer:

7q² + 9q² - 2(7q)(9q)

Step-by-step explanation:

it is expanded under the formula ( a-b)²

Answered by suyogbansode12345

1

Answer:

(7q-9q)^2

=(7q)^2 -2(7q)(9q)+(9q)^2

=49q^2-126q^2+81q^2

=130q^2-126q^2

=4q^2

Step-by-step explanation:

please mark it brainliest and also thank it please

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