Question

factories
3x^2-5x=40​

Answer 1

Answer:

3x2-5x-40=0

by quadratic formula,

b^2-4ac = (-5)^2-4(3)(-40)

=25+480

=505

x=-b+or-√b^2-4ac/2a

=-(-5)+or -√505/2(3)

=5+or - √505/6

= 5+√505/6. or. 5-√505/6

Step-by-step explanation:

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