2 years ago

Factor the equation 45x - 81

Mathematics

1 answer:

alex41 [277]2 years ago

5 0

Answer:

Step-by-step explanation:

45x = 9*5*x

81 = 9*9

GCF = 9

Take 9 out using distributive property { a*b - c*b = b*(a-b)}

45x - 81 = 9*5x - 9*9

= 9*(5x - 9)

=9(5x-9)

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