Question

(ii) (4x - 5y) (16x² + 20xy + 25y²)​

Answer 1

Step-by-step explanation:

(4x-5y) {(4x)^2+2×4x×5y+(5y)^2}

=(4x-5y)(4x+5y)^2

Answer 2

$(4x - 5y) (16x^2 + 20xy + 25y^2)\\\\64x^3+80x^2y+100xy^2-80x^2y-100xy^2-125y^3\\\\64x^3-125y^3\\\\(4x)^3-(5y)^3\\\\(4x-5y)^3\\\\hope \ it \ helps \ !!$