Question

factorise a)m^4 -256 b)x^2+5x+6
plzz answer its urgent​

Answer 1

Step-by-step explanation:

a) m^4-256

= (m^2)^2-(16)^2

= (m^2+16)(m^2-16)

= (m^2+16)[(m)^2-(4)^2]

=(m^2+16)(m+4)(m-4)

b) x^2+5x+6

=x^2+(3+2)x+6

= x^2+3x+2x+6

= x(x+3)+2(x+3)

= (x+3)(x+2)