factorise x 4 - 7 x 3 + 9 x 2 + 7 x minus 10
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Answer: -69
Step-by-step explanation:
Answered by
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Answer:
4–7= -3
-3×3=-9
-9+9=0
0×2=0
0+7=7
7×-10=-70
Step-by-step explanation:
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