5(3^2) + 3(3)(-3) - (-3)2
= 45 - 27 - 9
= 9
evaluate
5x^2+3xy-y^2
when x=3 and y=-3
2 answers
6x2-y2-3xy if X=-2 and y=4
5x^2+3xy-y^2
when x=3 and y=-3
2 answers
1 answer
1 answer
1 answer
1 answer