14) If x=-2 and y = 1.
find the value of the expression
4x^2 + 3x^2y - 4xy^24x2+3x2y−4xy2
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Answer= 28
Step-by-step explanation:
4x^2 + 3x^2y - 4xy^24x2+3x2y−4xy2
= 16+24-8+12-16
= 30-8+12-6
=42-14
= 28
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