1. It's impossible to play
on this pitch because the ball won't bounce,
2. They accused his youngest son of breaking
the fence.
3. I blamed him for not helping
me with my homework. That's why I got a bad mark.
4. I would like to know why he insisted on doing
this alone.
5. I suggest going
for a walk this afternoon. How about it?
6. The doctor advised him not to go
swimming because of his cold.
7. I managed to balance my account without taking
out a new loan.
8. I can't afford to spend
money on new clothes.
9. She can't tolerate not being
the centre of attention.
10. I regret to say
that the event must be cancelled due to the circumstances.
11. Dad demanded to know
what I was doing up at this time of the night.
12. For some people it's difficult to get used to waking
up early in the morning.
Объяснение:
3х2-2х-6=0
находим корни
Д=4-4*3*(-6)=76
a=(2-корень из 76) /6
б=(2+ корень из 76)/6
а2+б2=(4-76)/36 + (4+76)/36= -2+ 80/36=2/19