1 . Subtract 3x² - 5y - 2 from 5y - 3x² + xy and find the value of the result if x= 2 , y = ‐ 1.
Answers
Answered by
16
Answer:
3x^-5y-2-(5y-3x^+xy)
=3x^-5y-2-5y+3x^-xy
=6x^-10y-xy-2
now when x=2 and y=-1
=6*2^-10*(-1) -2*(-1) -2
=24+10+2-2
=24+10
=34
Similar questions