Hi guys i just forgot how to expand this equation . Pls help me how to do this. Thanks in advanced. (x^2+3x-1)^2
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Hi, (x^2+3x-1)^2 =(x^2)^2+(3x)^2+(-1)^2+2[(x^2)*(3x)+(x^2)*(-1)+(-1)*(3x)] =x^4+7x^2+6x^3-6x+1
Thank you very much. That was easy. hehehe Now I remember how to do it. Thanks to you.
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