Answer:
Step-by-step explanation:
we know the value of x= 4 and y = -2
substituting the values in the equation;
3(4)² - 2(-2)²
3*16 - 2*4
48-8
40 is the answer
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Answer:
Step-by-step explanation:
we know the value of x= 4 and y = -2
substituting the values in the equation;
3(4)² - 2(-2)²
3*16 - 2*4
48-8
40 is the answer