Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
(2x2 - 13x) - 24
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 2x2-13x-24
The first term is, 2x2 its coefficient is 2 .
The middle term is, -13x its coefficient is -13 .
The last term, "the constant", is -24
Step-1 : Multiply the coefficient of the first term by the constant 2 • -24 = -48
Step-2 : Find two factors of -48 whose sum equals the coefficient of the middle term, which is -13 .
| -48 | + | 1 | = | -47 | ||
| -24 | + | 2 | = | -22 | ||
| -16 | + | 3 | = | -13 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -16 and 3
2x2 - 16x + 3x - 24
Step-4 : Add up the first 2 terms, pulling out like factors :
2x • (x-8)
Add up the last 2 terms, pulling out common factors :
3 • (x-8)
Step-5 : Add up the four terms of step 4 :
(2x+3) • (x-8)
Which is the desired factorization
Final result :
(x - 8) • (2x + 3)
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