Question

3(x-3)(x+7)+(x-4)²+48 

khi x= 0,5 

giúp mình vs help !!!!

Answer 1

Bài 1\(57+90-\frac{\Delta y}{\Delta z}\)

\(\Delta=\)

Bài 2\(87+\infty\)

\(\infty=\)

Answer 2

điên hả !?

Answer 3

Thay x

3(0.5-3)(0.5+7)+(0.5-4)²+48

= -641.0625

=\(-\frac{10257}{16}\)