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Factories- 2x^2-17x-84 give the right answer no scam |
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Answer» e will find the factors of the constant (84 × 2) = 168. And then find if their sum or difference gives us 17 . 168 / \ 2 x 84 (84+2 is not =17) (84-2 is not = 17) Hence this pair isn't HELPFUL 168 / \ 3 × 56 (56+3 is not = 17) (56-3 is not = 17)Hence this pair isn't helpful 168 / \ 4 × 42 (42+4 is not = 17) (42 - 4 is not = 17)Hence this pair isn't helpful 168 / \ 6 × 28 (28+6 is not = 17) (28 - 6 is not = 17)Hence this pair isn't helpful 168 / \ 7 × 24 (24+7 is not = 17) So, this pair is helpfulSo here we have got :24 × 7 = 168 24 - 7 = 17Hence we have split the middle term.So , the factorization is :( 2X - 7 ) ( x - 12) |
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