Question

a) 4x²+x²
b) 10xy-9xy
c) 8t²•5t
d) 10x²y²z²•2xyz
e) (4x)²
f) 2ab³•b⁴​

Answer 1

a) 4x²+x² = 5x²

b) 10xy-9xy = xy

c) 8t²•5t = 40t³

d) 10x²y²z²•2xyz = 20x³y³z³

e) (4x)² = 4²x² = 16x²

f) 2ab³•b⁴ = 2ab⁷