Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
(2p2 - 2p) - 12
Step 2 :
Step 3 :
Pulling out like terms :
3.1 Pull out like factors :
2p2 - 2p - 12 = 2 • (p2 - p - 6)
Trying to factor by splitting the middle term
3.2 Factoring p2 - p - 6
The first term is, p2 its coefficient is 1 .
The middle term is, -p its coefficient is -1 .
The last term, "the constant", is -6
Step-1 : Multiply the coefficient of the first term by the constant 1 • -6 = -6
Step-2 : Find two factors of -6 whose sum equals the coefficient of the middle term, which is -1 .
| -6 | + | 1 | = | -5 | ||
| -3 | + | 2 | = | -1 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -3 and 2
p2 - 3p + 2p - 6
Step-4 : Add up the first 2 terms, pulling out like factors :
p • (p-3)
Add up the last 2 terms, pulling out common factors :
2 • (p-3)
Step-5 : Add up the four terms of step 4 :
(p+2) • (p-3)
Which is the desired factorization
Final result :
2 • (p + 2) • (p - 3)
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