Solution - Simplification or other simple results
-x^2-6x+8
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
((3-2x)+(2•(x2)))-((4x-5)+3x2)Step 2 :
Equation at the end of step 2 :
((3 - 2x) + 2x2) - (3x2 + 4x - 5)
Step 3 :
Step 4 :
Pulling out like terms :
4.1 Pull out like factors :
-x2 - 6x + 8 = -1 • (x2 + 6x - 8)
Trying to factor by splitting the middle term
4.2 Factoring x2 + 6x - 8
The first term is, x2 its coefficient is 1 .
The middle term is, +6x its coefficient is 6 .
The last term, "the constant", is -8
Step-1 : Multiply the coefficient of the first term by the constant 1 • -8 = -8
Step-2 : Find two factors of -8 whose sum equals the coefficient of the middle term, which is 6 .
| -8 | + | 1 | = | -7 | ||
| -4 | + | 2 | = | -2 | ||
| -2 | + | 4 | = | 2 | ||
| -1 | + | 8 | = | 7 |
Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored
Final result :
-x2 - 6x + 8
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