GavinGodwin
GavinGodwin GavinGodwin
  • 21-04-2017
  • Mathematics
contestada

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Simplify.
−7a3a
please helppp

Respuesta :

awesome1st
awesome1st awesome1st
  • 21-04-2017
Multiply them!! First multiply the numbers. [tex]-7*3 = -21[/tex]. But then, you have to multiply the variables. What is a times a equal to? Well, a times a is just a squared. Hence, the expression is equal to [tex]-21 a^{2} [/tex]
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