Question

factorice :- m^2+3m-4​

Answer 1

Answer:

Step-by-step explanation:m^2+3m-4

= m^2+4m-m-4

= m[m+4]-1[m+4]

= [m+4] or [m-1] = 0

Therefore , m = -4 or m = 1

Answer 2

Answer:

m = 1, -4

Step-by-step explanation:

Given that-

$m^{2} + 3m -4 = 0$

$m^{2} + (4-1)m - 4 = 0$

$m^{2} + 4m - m - 4 = 0$

$m(m + 4) - 1(m + 4) = 0$

$(m + 4)(m - 1) = 0$

If (m - 1) = 0

Then m = -1

If (m + 4) = 0

Then m = -4

Hence, m = 1, -4