Question

what is the value ?
with solution please

Answer 1

z=2-3
therefore
${4z}^{3} - {3z}^{2} + 169$

=4(2-3)^3-3(2-3)^2+169
=4(-1)^3-3(-1)^2+169
=4(-1)-3(1)+169
=-4-3+169
=162