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0=4.9x^2-10x+70
We move all terms to the left:
0-(4.9x^2-10x+70)=0
We add all the numbers together, and all the variables
-(4.9x^2-10x+70)=0
We get rid of parentheses
-4.9x^2+10x-70=0
a = -4.9; b = 10; c = -70;
Δ = b2-4ac
Δ = 102-4·(-4.9)·(-70)
Δ = -1272
Delta is less than zero, so there is no solution for the equation
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