Question

use suitable identities to find the following products: (5x-3) (5x+3)​

Answer 1

Answer:

Step-by-step explanation:

(a+b) (a-b)=a²-b²

(5x)² - 3²

=25x²-9

Answer 2

Answer:

$(5x - 3)(5x + 3) \\ = ( {5x})^{2} - {(3)}^{2}...using \: property \: ( a + b)(a - b) = {a}^{2} - {b}^{2} \\ = {25x}^{2} - 9$

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