Question

Simplify the following expression and
find its value, when x = -1 and y= 2.
2x2 - 3y + 3x2 + 5y2 + 5x - 7 - 7x + 2y.​

Answer 1

Answer:

hopefully it will help you

Answer 2

Answer:

2×2-3y+3×2+5y^2+5x-7-7x+2y

Step-by-step explanation:

=>4-3y+6+5y^2+5x-7-7x+2y

=> since:x:- -1 and you:- 2

=> 4-3(2) +6+5(2) ^2+5(-1) -7-7(-1) +2(2)

=>4-6+6+20-5-7+7+4

=>23//