Mathematics
Grade10
Easy
Question
Factor out the GCF from the polynomial. x10 + x9 – x8
- x8(x2 + x – 1)
- x7(x2 – x + 1)
- x9(x3 + x2 – x)
- x6(x4 + x3 – x2)
Hint:
x10 = x
xx8
x9 = xx8
-x8= (-1)x8
The correct answer is: x8(x2 + x – 1)
x10 = x xx8
x9 = xx8
-x8= (-1)x8
GCF is x8.
x8(x2 + x – 1)
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