Question

7m²-84 =0 then what is m

find this question by factorization method

Answer 1

Hey mate !!

Here's your answer !!
$7 {m}^{2} \: - 84$
Divide by 7 throughout

${m}^{2} - 12 \\ {m}^{2} = 12 \\ m = \sqrt{12}$

Hope it helps !!

Cheers !!

Answer 2

ANSWER:
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Hey friend,
7m²-84=0
7m²=84
m²=84/7
m²=12
m=√12
m=-2√3 and +2√3
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HOPE this helps you.