Question

find the product of bracket (5x + 9)) (5x-9)​

Answer 1

Step-by-step explanation:

$(5x + 9)(5x - 9) \\ 5 {x}^{2} - 45x + 45x - 81 \\ 5 {x}^{2} - 81$

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Answer 2

Given :-

• Find the product of the bracket ( 5x + 9 ) ( 5x - 9 )

To Find :-

• solve the given equation

Required Answer :-

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$\tt \orange { ✧\: \:(5x + 9)(5x - 9) } \\ \\ \tt \orange { ✧\: \: as \: \: we \: \: know \: \: } \: \: \: \: \: \: \: \: \: \\ \\ \tt \orange { (a + b)(a - b) } \\ \\ \tt \orange { { = (a - b)}^{2} } \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \tt \red { ✧\: \: hence } \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \tt \orange { ✧\: \: (5x + 9)(5x - 9) } \\ \\ \tt \orange { ✧\: \: {(5x)}^{2} - {(9)}^{2} } \: \: \: \: \: \: \: \: \: \: \\ \\ \tt \blue { ✧\: \:25 {x}^{2} - 81 } \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

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I hope it helps you ❤️✔️.