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1. 2x-5= 20
2. 9 + 3t-2=0
3. w(w-4)= 12
4. (n-4) (n +4)=0
5. 3(x+6)+7=-8
6. x?-5=0
7. 3= 12x-3
8. 3m – 12m2 +8=3
9. 3x = -6x
10. s²+3s + 8=6s-s²

QUADRATIC or NOT?​