6a²-7a-2 multiplied by 3a-2
Answers
Step-by-step explanation:
this is the answer is correct in a proper manner
Step by step solution :
Step 1 :
Equation at the end of step 1 :
(((2•3a2) - 7a) + 6a) - 2
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 6a2-a-2
The first term is, 6a2 its coefficient is 6 .
The middle term is, -a its coefficient is -1 .
The last term, "the constant", is -2
Step-1 : Multiply the coefficient of the first term by the constant 6 • -2 = -12
Step-2 : Find two factors of -12 whose sum equals the coefficient of the middle term, which is -1 .
-12 + 1 = -11
-6 + 2 = -4
-4 + 3 = -1 That's it
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -4 and 3
6a2 - 4a + 3a - 2
Step-4 : Add up the first 2 terms, pulling out like factors :
2a • (3a-2)
Add up the last 2 terms, pulling out common factors :
1 • (3a-2)
Step-5 : Add up the four terms of step 4 :
(2a+1) • (3a-2)
Which is the desired factorization
Final result :
(3a - 2) • (2a + 1)