ali8851 ali8851
  • 04-10-2018
  • Mathematics
contestada

multiply (4a-2)(a+7)

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863113 863113
  • 04-10-2018

When multiplying binomials, one takes the first binomial and multiply each term by the first term of the second binomial, and then you do the same with the second term of the  second binomial, to obtain:

4a^2+14a-2a-14

4a^2+12a-14

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