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Mathematics 16 Online
OpenStudy (anonymous):

convert into quadratic form : -7x20-10x10+6

OpenStudy (unklerhaukus):

Quadratic form is like:\[aX^2+bX+c\] What substitution can you make such that \[-7x^{20}-10x^{10}+6\] is in quadratic form?

OpenStudy (campbell_st):

same as before can you write x^20 in terms of x^10... remember the index law for power of a power... multiply the powers... and quadratics have a leading term with a degree of 2...

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