Question

solve the equation 2x^2-7x=9

Answer 1

x=−1, 9/2 Decimal Form: -1, 4.5

Answer 2

minus 9 from both sides
2x^2-7x-9=0
factor
(2x-9)(x+1)=0

set each to zero
2x-9=0
2x=9
x=9/2

x+1=0
x=-1

x=9/2 and -1