Question

9. Simplify the expression and find its value when
x= -3 and y = +5:
2(x2 + 2xy) + 5 – xy + y2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

2(x²+2xy)+5-xy+y²

2{(-3)²+(2×-3×5)}+5-{(-3)5}+(5)²

2{9+(-30)}+5-(-15)+25

2×-21+5+15+25

-42+5+15+25

-2+5

3

Step-by-step explanation:

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