16-(2a+36)^2
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16-(2a+36)^2
-36x^2+12xy-y^2
4x(a-b)-8y(b-a)
(x^2-5)^2+8(x^2-5)+16
还有两道计算题
2x^2y×(-8y^2)+4x^y×5y^2
2(x+5)(x-4)-3(X-6)(X+1)
给我一些步骤
-36x^2+12xy-y^2
4x(a-b)-8y(b-a)
(x^2-5)^2+8(x^2-5)+16
还有两道计算题
2x^2y×(-8y^2)+4x^y×5y^2
2(x+5)(x-4)-3(X-6)(X+1)
给我一些步骤
16-(2a+36)^2=(4-2a-36)(4+2a+36)
=(-2a-32)(2a+40)=-4(a+16)(a+20)
-36x^2+12xy-y^2=(-6x+y)(6x-y)
4x(a-b)-8y(b-a)=4(a-b)(x+2y)
(x^2-5)^2+8(x^2-5)+16
=(x^2-1)^2
还有两道计算题
2x^2y×(-8y^2)+4x^y×5y^2
=(20x^y-16x^2y)y^2
=4y^2x^y(5-4x^y)
2(x+5)(x-4)-3(X-6)(X+1)
=2(x^2+x-20)-3(x^2-5x-6)
=-x^2+17x-22?
=(-2a-32)(2a+40)=-4(a+16)(a+20)
-36x^2+12xy-y^2=(-6x+y)(6x-y)
4x(a-b)-8y(b-a)=4(a-b)(x+2y)
(x^2-5)^2+8(x^2-5)+16
=(x^2-1)^2
还有两道计算题
2x^2y×(-8y^2)+4x^y×5y^2
=(20x^y-16x^2y)y^2
=4y^2x^y(5-4x^y)
2(x+5)(x-4)-3(X-6)(X+1)
=2(x^2+x-20)-3(x^2-5x-6)
=-x^2+17x-22?
16-8a-【2a-9-(3-6a)】
(a+b)^2-16a^2
5a-【a+(5a-2a)-2(a-3a)-4a】
4a(2a-b)2-16a(a+2b)2.
(a+2b)²-8a(a+2b)+16a²,因式分解
(a²+a)²+2/1(a²+a)+16/1因式分解
计算:(a²-2a)/(a+4)·(a²+8a+16)/(4a²-8a).
化简a(a+2)-(a-1)(a+1)
(高一集合)已知A={2,4,a*a*a-2a*a-a+7},B={1,a+3,a*a-2a+2,a*a*a+a*a+3
当A=-1时,求16+2a-{8a-[a-9-(3-6a)]}=
(a+1/a)*=a*+2+1/a* (a-1/a)*=a*-2+1/a*
计算:(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=?