Activity 2:change me to your standard directions:rewrite the following equations into standard form(a×2+b×+c=0).Determind all possible methods that will help you find the roots of the given equations.
1.×(×+4)=-3 ___________________
2.5×2-12=2×2+3 ________________
3.(×+1)2+(×-2)2=10 _______________
4.2(×+3)2-(×+2)2=16 ______________
1.×(×+4)=-3 ___________________
2.5×2-12=2×2+3 ________________
3.(×+1)2+(×-2)2=10 _______________
4.2(×+3)2-(×+2)2=16 ______________
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