Factorize the following expresition
40+3x-x2
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Step-by-step explanation:
40+3x-x²=0
40+8x-5x-x²=0
8(5+x)-x(5+x)=0
(5+x)(8-x)=0
5+x=0 or 8-x=0
x=-5 or x=8
x= -5,8
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