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Solve 2x2 + 5x = 12 a) x= 3/2 and x = −4 b) x= 2 and x= -3 c) x=-6 and x= 5 d) x= 1/2 and x= 1/3

Solve 2x2 + 5x = 12 a) x= 3/2 and x = −4 b) x= 2 and x= -3 c) x=-6 and x= 5 d) x= 1/2 and x= 1/3
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Solve 2x2 + 5x = 12

a) x= 3/2 and x = −4
b) x= 2 and x= -3
c) x=-6 and x= 5
d) x= 1/2 and x= 1/3

User Xu Hui
by
7.5k points

1 Answer

1 vote

2x2+5x=12, 2x+5x=7x, 12+2=14, 7x/7=14/7, x=2

User Stanleyrr
by
8.4k points
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