Question

cual es la solucion de :

a) 20a3b+60a2b2+45ab3

b) 54a3b-2b4

c) 8x4y2+8xy8

Answer 1

a)
$(20a)(3b)+(60a)(2b)(2)+(45ab)(3) = 60ab+ 140ab+135ab = 335ab$

b)
$(54a)(3b) - (2b)(4) = 162ab - 8b$

c)
$(8x)(4y)(2)+(8xy)(8) = 64xy + 64xy = 128xy$