Question

find the value of the following expressions if x=3 and y=-2

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Answer 1

Step-by-step explanation:

Given ,

x= 3

y = -2

Then,

2× (3)² - 6 × 3 ×-2 + 16

18 + 36 + 16

70 answer

Answer 2

Answer:

-34

Step-by-step explanation:

2x² - 6xy + 16

= 2×3² - 6×3×2 + 16

= 2×9 - 6×3×2 + 16

= 18 - 36 + 16

= 18 - 52

= -34

Therefore, if x is 3 and y is 2 then the value of 2x²-6xy+16 will be -34