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Mathematics
24 September, 02:54
Simplify 2x 2 - y for x = 3 and y = - 2.
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Alejandro
24 September, 03:17
0
20
Step-by-step explanation:
Given
2x² - y ← substitute x = 3 and y = - 2 into the expression
= 2 (3) ² - ( - 2)
= 2 (9) + 2
= 18 + 2
= 20
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