Anavanessa11 Anavanessa11

19-01-2021
Mathematics

contestada

find the sum of 5x3 3x²+5 and -2x²+6x²5

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emwihakindungu emwihakindungu

20-01-2021

Answer:

5×3=15

15+5=20

3x^2-2x^2=x^2

6x^2×5=30x^2

20+x^2+30x^2=20+31x^2

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