Question

Subtract.A. 4xy - 3y from 5x - 3yB. x2 -5x + 7 from x3 + 7x - 4​

Answer 1

Answer:

A=

[4xy - 3y ]- [5x - 3y]

=4xy - 3y - 5x +3y

=4xy-5x

B=

[x2 -5x + 7 ]-[ x3 + 7x - 4]

=

${x}^{2} - 5x + 7 - {x}^{3} - 7x +4$

=

$- {x}^{3} + {x}^{2} - 12 x + 11$