Question

lowing equations.
ii) -x² + x + 2 = 0​

Answer 1

Answer:

answer in this picture

Answer 2

'-×^2+x+2

=》 -(×^2-×-2)=0

=》x^2 - x - 2=0

=》 x^2 - 2x + x -2=0

=》x(x-2)+1(x-2)=0

)=》(x+1)(x-2)=0

=》x+1=0or x-2=0

=》x=-1 or x =2