Math, asked by csneelagiri, 8 months ago

factorise x2 - 21x + 90​

Answers

Answered by avitaylor101
42

Step-by-step explanation:

x² -21x + 90

x² -15x - 6x + 90

x( x - 15 ) -6( x - 15)

(x - 6) ( x - 15 ) answer

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