brookedeadman88 brookedeadman88
  • 15-01-2021
  • Mathematics
contestada

Can someone do b and c for me please 10 points!!

Can someone do b and c for me please 10 points class=

Respuesta :

MissX
MissX MissX
  • 15-01-2021

Given, a=-3

a) 2a= 2 × -3 = -6

b) a^2= (-3)^2= 9

c) 3a^2= 3 × (-3)^2 = 3 × 9 = 27

Hope it helps uh.

Answer Link
majazkhan26
majazkhan26 majazkhan26
  • 15-01-2021

first you do multiply both the a because a is in square then a x a so (-3 x-3) =6 answer is 6

then next is c

3a sq OK

3a sq = (3x-3) -3 x-3

answer is 81

Answer Link

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