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Milesambergo
Answered

3. 2m²-3n-5 when m=3 and n=1

4. 4r + qr - 10 when r=3 and q =0

5. 2xy - 3y³ when x = 2 and y = 2​

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Jhairamaglupaysajulggo

Step-by-step explanation:

3.

[tex]2m ^{2} - 3n - 5 = 2 \times {3}^{2} - 3 \times 1 - 5 = 10[/tex]

4.

[tex]4 {r} + qr - 10 = 4 \times 3 + 0 \times 3 - 10 = 2[/tex]

5.

[tex]2xy - 3 {y}^{3} = 2 \times 2 \times 2 - 3 \times {2}^{3} = - 16[/tex]

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