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can you help meto slove these maths ---------- VERY URGENT
發問:
factorise the following. can you write down the steps and answers-----------------------1. x^4 - 7x + 1 (51a)no need to care about these bracket10. (x+y+z)(yz+zx+xy) - xyz (56b)11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc 56b) 17. (a+b-c)(ab-bc-ca) + abc ... 顯示更多 factorise the following. can you write down the steps and answers- ---------------------- 1. x^4 - 7x + 1 (51a)no need to care about these bracket 10. (x+y+z)(yz+zx+xy) - xyz (56b) 11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc 56b) 17. (a+b-c)(ab-bc-ca) + abc (60b) 18. ac^2-a^3-a^2b +ab^2+b^3-bc^2 (60a) 19. (x+1)(x+2)(x+3)(x+4)+1 (54b) 更新: 11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc (56b)
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can you help meto slove these maths ---------- VERY URGENT
發問:
factorise the following. can you write down the steps and answers-----------------------1. x^4 - 7x + 1 (51a)no need to care about these bracket10. (x+y+z)(yz+zx+xy) - xyz (56b)11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc 56b) 17. (a+b-c)(ab-bc-ca) + abc ... 顯示更多 factorise the following. can you write down the steps and answers- ---------------------- 1. x^4 - 7x + 1 (51a)no need to care about these bracket 10. (x+y+z)(yz+zx+xy) - xyz (56b) 11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc 56b) 17. (a+b-c)(ab-bc-ca) + abc (60b) 18. ac^2-a^3-a^2b +ab^2+b^3-bc^2 (60a) 19. (x+1)(x+2)(x+3)(x+4)+1 (54b) 更新: 11. a^2b - a^2c - ac^2 - ab^2 - b^2c + bc^2 + 2abc (56b)
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10. (x+y)(x+z)(y+z) 11. (a-b)(b-c)(a+c) 17. (a+b)(a-c)(b-c) 18. (b-a)(a+b-c)(a+b+c) 19. (x+2)(x+3)(x+1)(x+4)+1 =(x^2+5x+6)(x^2+5x+4)+1 =(x^2+5x+4)^2+2(x^2+5x+4)+1 =(x^2+5x+4+1)^2 =(x^2+5x+5)^2其他解答:
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