Question

factorise: ill mark brainliest ​

Answer 1

Answer:

Step-by-step explanation:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

BRAINLIEST BRAINLIEST BRAINLIEST

Answer 2

Answer:

Hope this helps you : )

x^3+15x^y+75xy^2+126y^3

= x^3+(3*x^2*5y)+(3*x*25y^2)+25y^3+y^3

= [x^3+(3*x^2*5y)+{3*x*(5y)^2}+(5y)^3]+y^3

= (x+5y)^3+y^3

Using a^3+b^3=(a+b)(a^2-ab+b^2)

= (x+5y+y){(x+5y)^2-(x+5y)y+y^2}

= (x+6y)(x^2+25y^2+10xy-xy-5y^2+y^2)

= (x+6y)(x^2+21y^2+9xy)