Question

please solve this for me. Using cross multiplication(if possible)

Answer 1

D is b²-4ac
5²- 4*3/2*-7/2
25-21
4 it is possible
Now put values according to cross multiplication method ...
Hope answer was helpful to u...

Answer 2

Given : (3x/2) + 5 = (7/2)

= > (3x/2) = (7/2) - 5

= > (3x/2) = (7 - 2 * 5)/2

= > (3x/2) = (7 - 10)/2

= > (3x/2) = (-3/2)

= > 2(3x) = -3 * 2

= > 6x = -6

= > x = -1.

Hope this helps!