Solve for x: 2x2 + 9x = 18 (Quadratic Formula)
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Answer:
3/2 and -6
Step-by-step explanation:
a=2,b=9,c=-18
(-9 + or - root of 9^2 - 4×2× -18)/2×2
(-9 + or - root of 81 + 144)/4
(-9 + or - 15 ) / 4
-9+15/4 = -9-15/4
=6/4 = -24/4
=3/2 = -6
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