Question

m²-84=0 solve full by factorisation method .​

Answer 1

Just use calculator select mode 5 then 3 and enter values

Answer 2

Answer:

Here ur answer plz thank me :)

Step-by-step explanation:

$m^{2} - 84 = 0$

$m {}^{2} = 84$

$m = \sqrt{84}$

$m = 2 \sqrt{21}$

m = 2*4.583

m = 9.166

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