Question

si a=3/2 y b =-2, el valor numerico de la expresion 2a-b2(1-b) es

Answer 1

2×3/2-(-2)×2(1-(-2))
3+2×6
3+12=15

Answer 2

= 2(3/2)-(-2)²(1-(-2))
= 6/2-4(1+2)
= 6/2-4(3)
= 6/2-12
= (6-24)/2
= (-18)/2
= -9