3 years ago

PLS HELP OMG

Mathematics

2 answers:

iris [78.8K]3 years ago

6 0

This is quick to see with square root of 81 being 9 and the middle sign being a minus. (a) 2x-9 is the answer

kolezko [41]3 years ago

5 0

Answer:

a) 2x - 9

Step-by-step explanation:

The length is the square root of the whole equation.

Sq rt over all 4x^2-36x+81

= 2x - 9

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