Question

Find 7a²-63b² (a) (7a+ 63b)(7a-63b) (b) (7a-2b) (9a+7b) (c) (7a-2b)(7a+9b)​

Answer 1

Answer:

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

Step-by-step explanation:

7a²-63b²

7(a² - 9b²)

7(a² - (3b)²)

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

Answer 2

7a2 - 63b2(a) (7a+63b) (7a-63b)
(7a-2b) (9a+7b)
(7a+9b)