factor 11 4x2z 28xz 40z Solution4x2z 28xz 40z Now from 4 28

factor

11. 4x2z 28xz 40z

4x^2z +28xz +40z

Now from 4, 28 , 40 --4 is the lowest coomin factor

from x^2z , xz and z; z is the lowest common factor

we can take out the lowest common factor

4x^2z +28xz +40z = 4z( x^2+ 7x +10)

factorsise x^2 +7x +10 : x^2 +5x +2x +10 = x(x+5)+2(x+5)

= (x+2)(x+5)

4z( x^2+ 7x +10) = 4z(x+2)(x+5)

So, 4x^2z +28xz +40z =4z(x+2)(x+5)