Simplify 2x² (xy - 4) + 3y (x + 2) and find its value for
(a) x = 2 and y=3
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Answered by
5
Answer:
32
Step-by-step explanation:
2x²(xy-4)+3y(x+2)
=2x³y-8x²+3xy+6y
=2(2)³×3-8(2)²+3(2)(3)+6(3)
=48-32+36
=32
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