anniebear03
anniebear03
31-05-2017
Mathematics
contestada
Solve by factoring m^2+8m+7=0
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mspeople
mspeople
31-05-2017
We can use completing the square.We add 16 and subtract 7 to both sides. Now we get m^2+8m+16=9. The left sides becomes (m+4)^2=9. Taking the square root of both sides and subtracting 4 we get -1 and -7.
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lindsey37
lindsey37
31-05-2017
Complete the square.................
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