Factorise: i) -18 + 11x - x²
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Answered by
1
Answer:
-18 + 11x - x²= 0
-x²+11x-18=0
x²-11x+18 = 0
x²-9x-2x+18=0
x(x-9) - 2(x-9)=0
(x-2)(x-9) = 0
x= 2,9
Answered by
0
Answer:
x²+11x+10=0
x²+10x+x+10=0
x(x+10)+1(x+10)=0
(x+10)(x+1)=0
Step-by-step explanation:
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