Question

Find the value of 64 x cube minus 125 z cube, if 4x minus 5z is equal to 16 and xz is equal to 12

Answer 1

Answer:

64x^3-125z^3

=(4x)^3-(5z)^3

=(4x-5z)^3+3×4x×5z(4x-5z)

=16^3+60×12×16

=4096+11520

=15616 ans.

Step-by-step explanation:

I hope its help you please mark me as brainlist and follow me please

Answer 2

64x^3-125z^3

=(4x)^3-(5z)^3

=(4x-5z)^3+3×4x×5z(4x-5z)

=16^3+60×12×16

=4096+11520

=15616 ans.