分解因式1.(a²+8a)²+22(a²+8a)+120 2.(m+n)²-2(m+n)(m-n)+(m-n)²3.(a+b)²-4(a+b)+3
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![分解因式1.(a²+8a)²+22(a²+8a)+120 2.(m+n)²-2(m+n)(m-n)+(m-n)²3.(a+b)²-4(a+b)+3](/uploads/image/z/11951076-12-6.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F1.%EF%BC%88a%26%23178%3B%EF%BC%8B8a%EF%BC%89%26%23178%3B%EF%BC%8B22%EF%BC%88a%26%23178%3B%EF%BC%8B8a%EF%BC%89%EF%BC%8B120+2.%28m%2Bn%29%26%23178%3B-2%28m%2Bn%29%28m-n%29%2B%28m-n%29%26%23178%3B3.%EF%BC%88a%EF%BC%8Bb%EF%BC%89%26%23178%3B-4%EF%BC%88a%EF%BC%8Bb%EF%BC%89%EF%BC%8B3)
分解因式1.(a²+8a)²+22(a²+8a)+120 2.(m+n)²-2(m+n)(m-n)+(m-n)²3.(a+b)²-4(a+b)+3
分解因式1.(a²+8a)²+22(a²+8a)+120 2.(m+n)²-2(m+n)(m-n)+(m-n)²
3.(a+b)²-4(a+b)+3
分解因式1.(a²+8a)²+22(a²+8a)+120 2.(m+n)²-2(m+n)(m-n)+(m-n)²3.(a+b)²-4(a+b)+3
1.(a²+8a)²+22(a²+8a)+120
=(a²+8a+10)(a²+8a+12)
=(a²+8a+10)(a+2)(a+6)
2.(m+n)²-2(m+n)(m-n)+(m-n)²
=[(m+n)-(m-n)]²
=(m+n-m+n)²
=4n²
3.(a+b)²-4(a+b)+3
=(a+b-3)(a+b-1)
1.(a²+8a)²+22(a²+8a)+120
=(a²+8a+12)(a²+8a+10)
=(a+6)(a+2)(a²+8a+10)
题目有误,改了
2.(m+n)²-2(m+n)(m-n)+(m-n)²
=【(m+n)-(m-n)】²
=4n²...
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1.(a²+8a)²+22(a²+8a)+120
=(a²+8a+12)(a²+8a+10)
=(a+6)(a+2)(a²+8a+10)
题目有误,改了
2.(m+n)²-2(m+n)(m-n)+(m-n)²
=【(m+n)-(m-n)】²
=4n²
3.(a+b)²-4(a+b)+3
=.(a+b-3)(a+b-1)
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