Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
(2x2 + x) - 528
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 2x2+x-528
The first term is, 2x2 its coefficient is 2 .
The middle term is, +x its coefficient is 1 .
The last term, "the constant", is -528
Step-1 : Multiply the coefficient of the first term by the constant 2 • -528 = -1056
Step-2 : Find two factors of -1056 whose sum equals the coefficient of the middle term, which is 1 .
| -1056 | + | 1 | = | -1055 | ||
| -528 | + | 2 | = | -526 | ||
| -352 | + | 3 | = | -349 | ||
| -264 | + | 4 | = | -260 | ||
| -176 | + | 6 | = | -170 | ||
| -132 | + | 8 | = | -124 | ||
| -96 | + | 11 | = | -85 | ||
| -88 | + | 12 | = | -76 | ||
| -66 | + | 16 | = | -50 | ||
| -48 | + | 22 | = | -26 | ||
| -44 | + | 24 | = | -20 | ||
| -33 | + | 32 | = | -1 | ||
| -32 | + | 33 | = | 1 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -32 and 33
2x2 - 32x + 33x - 528
Step-4 : Add up the first 2 terms, pulling out like factors :
2x • (x-16)
Add up the last 2 terms, pulling out common factors :
33 • (x-16)
Step-5 : Add up the four terms of step 4 :
(2x+33) • (x-16)
Which is the desired factorization
Final result :
(x - 16) • (2x + 33)
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