Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
((2•32x2) - 15x) + 2
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 18x2-15x+2
The first term is, 18x2 its coefficient is 18 .
The middle term is, -15x its coefficient is -15 .
The last term, "the constant", is +2
Step-1 : Multiply the coefficient of the first term by the constant 18 • 2 = 36
Step-2 : Find two factors of 36 whose sum equals the coefficient of the middle term, which is -15 .
| -36 | + | -1 | = | -37 | ||
| -18 | + | -2 | = | -20 | ||
| -12 | + | -3 | = | -15 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -12 and -3
18x2 - 12x - 3x - 2
Step-4 : Add up the first 2 terms, pulling out like factors :
6x • (3x-2)
Add up the last 2 terms, pulling out common factors :
1 • (3x-2)
Step-5 : Add up the four terms of step 4 :
(6x-1) • (3x-2)
Which is the desired factorization
Final result :
(3x - 2) • (6x - 1)
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