Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
(2x2 + 3x) - 2
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 2x2+3x-2
The first term is, 2x2 its coefficient is 2 .
The middle term is, +3x its coefficient is 3 .
The last term, "the constant", is -2
Step-1 : Multiply the coefficient of the first term by the constant 2 • -2 = -4
Step-2 : Find two factors of -4 whose sum equals the coefficient of the middle term, which is 3 .
-4 | + | 1 | = | -3 | ||
-2 | + | 2 | = | 0 | ||
-1 | + | 4 | = | 3 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -1 and 4
2x2 - 1x + 4x - 2
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (2x-1)
Add up the last 2 terms, pulling out common factors :
2 • (2x-1)
Step-5 : Add up the four terms of step 4 :
(x+2) • (2x-1)
Which is the desired factorization
Final result :
(2x - 1) • (x + 2)
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