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Mathematics
Algebraic Expressions
Evaluating Algebraic Expressions
4x2 - 10xy - 8y2 for x = -3, y = 5
1 answer
4(-3)2 - 10(-3)(5) - 8(5)2
= 4(9) + 150 - 8(25)
= 36 + 150 - 200
= -14
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