Divide: 6a²+5a-6 by 2a+3
in polynomial by polynomial
please explanation it
Answers
Answer:
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Step-by-step explanation:
Factoring 6a2 - 5a - 6
The first term is, 6a2 its coefficient is 6 .
The middle term is, -5a its coefficient is -5 .
The last term, "the constant", is -6
Step-1 : Multiply the coefficient of the first term by the constant 6 • -6 = -36
Step-2 : Find two factors of -36 whose sum equals the coefficient of the middle term, which is -5 .
-36 + 1 = -35
-18 + 2 = -16
-12 + 3 = -9
-9 + 4 = -5 That's it
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -9 and 4
6a2 - 9a + 4a - 6
Step-4 : Add up the first 2 terms, pulling out like factors :
3a • (2a-3)
Add up the last 2 terms, pulling out common factors :
2 • (2a-3)
Step-5 : Add up the four terms of step 4 :
(3a+2) • (2a-3)
Which is the desired factorization
Final result :
(2a - 3) • (3a + 2)
———————————————————
2a + 3
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