7m^2−4m^2+3m^2−5m^2−9=0 If m is a positive integer, then what is the value of m ?
Added by Izzy R.
Step 1
First, let's combine the like terms (the terms with m^2): 7m^2 - 4m^2 + 3m^2 - 5m^2 = (7 - 4 + 3 - 5)m^2 = 1m^2 = m^2 So, the equation becomes: m^2 - 9 = 0 Show more…
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