Question

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Answer 1

Resposta:

a) (8+2) a= 10a

b) (7-5) x= 2x

c) (2-9) y^2= -7y^2

d) (4-1) a^2= 3a^2

e) (4-6) y= -2y

f) (-3+8) m^2= 5m^2

g) (6-8) xy^2= -2xy^2

h) (5-5) a=a

i) (7-5+3) x= 5x

j) (2-1-10) y= -9y

k) (4+1-7) a= -2a

l) (1+1-2) x^2= x^2