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Mathematics, 22.07.2020 22:01 ilan4225

Let m=x^{2}+3 Which equation is equivalent to (x^{2}+3)^{2} +7x^{2} +21=-10

A.) m^{2}-7m+10=0
B.) m^{2}-7m+31=0
C.) m^{2}+7m+10=0
D.) m^{2}+7m+31=0

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