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Sagot :
Answer:
【Answer】: 1. 6x
2. 12x
3. 16xy
4. 10xy
5. 42x
6. 30x
7. 7xy
8. 7xy
9. 65x
10. 13x
11. 4x
12. 44x
13. 16xy
14. 13xy
15. 2xy
【Explanation】: 1. The missing term in the first equation is 6x, because (x+3)^2 = x^2 + 6x + 9.
2. The missing term in the second equation is 12x, because (x+6)^2 = x^2 + 12x + 36.
3. The missing term in the third equation is 16xy, because (x+8y)^2 = x^2 + 16xy + 64y^2.
4. The missing term in the fourth equation is 10xy, because (2x+5y)^2 = 4x^2 + 10xy + 25y^2.
5. The missing term in the fifth equation is 42x, because (3x+7)^2 = 9x^2 + 42x + 49.
6. The missing term in the sixth equation is 30x, because (5x+10)^2 = 25x^2 + 60x + 100.
7. The missing term in the seventh equation is 7xy, because (7x+y)^2 = 49x^2 + 14xy + y^2.
8. The missing term in the eighth equation is 7xy, because (7x+y)^2 = 49x^2 + 14xy + y^2.
9. The missing term in the ninth equation is 65x, because (13x+5)^2 = 169x^2 + 130x + 25.
10. The missing term in the tenth equation is 13x, because (2x+13)^2 = 4x^2 + 26x + 169.
11. The missing term in the eleventh equation is 4x, because (4x+1)^2 = 16x^2 + 8x + 1.
12. The missing term in the twelfth equation is 44x, because (11+4x)^2 = 121 + 88x + 16x^2.
13. The missing term in the thirteenth equation is 16xy, because (5x+4y)^2 = 25x^2 + 40xy + 16y^2.
14. The missing term in the fourteenth equation is 13xy, because (13x+10y)^2 = 169x^2 + 260xy + 100y^2.
15. The missing term in the fifteenth equation is 2xy, because (xy+2)^2 = x^2y^2 + 4xy + 4.
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