Respuesta :

renno2002p2li5j
4^2 + 3.5 - 2 + 3.5^2
so we will simplify this equation first..
16 + 3.5 - 2 + 12.25
then add all of these numbers together...
the answer is 29.75

7.5b² + 2.5a - 2b

collecting like terms

(4b² + 3.5b²) +(3.5a - a) - 2b

= 7.5b² + 2.5a - 2b