factorise 7m²+55m-8. Pls explain
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Answered by
1
7m^2+55m-8
7m^2+56m-m-8
7m(m+8)-1(m+8)
m=-8 or m=1÷7
7m^2+56m-m-8
7m(m+8)-1(m+8)
m=-8 or m=1÷7
Answered by
1
we can write this equation as...
7m^2+56m-m-8=0
=7m(m+8)-1(m+8)
=(7m-1)(m+8)
=here m= 1/7 & -8...
BT 1/7 is ans
7m^2+56m-m-8=0
=7m(m+8)-1(m+8)
=(7m-1)(m+8)
=here m= 1/7 & -8...
BT 1/7 is ans
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