2(3r^2 + 4r + 2) - 3(-r^2 + 4r - 5) ??? the problem already answered was written out wrong so please helpme with this one.

Luciano Webster 2022-07-25 Answered
2 ( 3 r 2 + 4 r + 2 ) 3 ( r 2 + 4 r 5 ) the problem already answered was written out wrong so please helpme with this one.
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Answers (2)

eishale2n
Answered 2022-07-26 Author has 15 answers
2 ( 3 r 2 + 4 r + 2 ) 3 ( r 2 + 4 r 5 )I take it we are just going tosimplify.
We distribute the 2 to the left term and distribute the -3 to theright term. We are careful when distributing the -3 because thesigns will change.
6 r 2 + 8 r + 4 + 3 r 2 12 r + 15 (Now we are just going toadd/subtract like terms)
9 r 2 4 r + 19 We cannot simply further becausethe trinomial won't factor.
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Ciara Rose
Answered 2022-07-27 Author has 4 answers
take the 2 and multiply for all the factors tahat are in the () and take the number 3 and multiply with all the factors inthe ( ), remember (-)multiply with other negative will be (+),therefore the solution is:
2 ( 3 r 2 + 4 r + 2 ) 3 ( r 2 + 4 r 5 ) 6 r 2 + 8 r + 4 + 3 r 2 12 r + 15, now search the common factors( samevariable)
9 r 2 4 r + 19 and these is the final solution,because this expression can´t be simplified
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