Math, asked by iceongaming, 1 year ago

Expand (7a +b)(7a-3b)

Answers

Answered by DrNykterstein

2

==> (7a + b)(7a - 3b)

==> 49a² - 21ab + 7ab - 3b²

==> 49a² - 14ab - 3b²

Answered by avitaylor101

26

Step-by-step explanation:

7a( 7a - 3b) + b( 7a - 3b)

49a² - 21ab + 7ab - 3b²

49a² - 14ab - 3b²

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