Asked by Norma
                I am stuck on simplifying four problems, I cannot figure out which steps i need to make.  Can you please help me.  
6x^4 - 8
2a² + a²b + ab + 1
12m²p + 35nq³
a²b - a² - 2b -2
            
        6x^4 - 8
2a² + a²b + ab + 1
12m²p + 35nq³
a²b - a² - 2b -2
Answers
                    Answered by
            drwls
            
    What do you mean by "simplify?" Express in factor form?
6x^4 - 8 = 6(x^4 -4/3)
= 6[x^2 + sqrt(4/3)]{x^2 - sqrt(4/3)]
The last term in brackets fan be factored one more.
a²b - a² - 2b -2 = a^2(b-1) -2(b+1)
Those don't look any "simpler" than the original versions.
    
6x^4 - 8 = 6(x^4 -4/3)
= 6[x^2 + sqrt(4/3)]{x^2 - sqrt(4/3)]
The last term in brackets fan be factored one more.
a²b - a² - 2b -2 = a^2(b-1) -2(b+1)
Those don't look any "simpler" than the original versions.
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