X(2) + x/2 – x²x 10
PENYELESAIAN
x(2) + x/2 – x²
10(2) + 10/2 – 10²
20 + 5 – (10 × 10)
20 + 5 – 100
25 – 100
-75
x(2) + x/2 – x²
x = 10
10(2) + 10/2 – 10²
= 10(2) + 10/2 – 10(10)
= 20 + 10/2 – 100
= 20 + 10/2 – 200/2
= 20 – 190/2
= 40/2 /190/2
= -150/2
= –75