negative 2 squared
Negative sixty-four minus four squared is equal to -80.
14x2-7x2-16 7x2-16 (this can't be simplified any more)
Actually, x2 - 12 cannot be simplified.
t2+ t - 42 it can't be simplified anymore
(-4)2 - 4 = 12
x2 - 2x = x(x-2) and that cannot be simplified further.
b2 + ab - 2 - 2b2 + 2ab = -b2 + ab - 2 which cannot be simplified further.
negative infiniti to positive infiniti