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hi,
so we have 10+3x-x²=0
or x²-3x-10=0
now,coming on factors of 10 required for solving this question
these are 2×5
x²-5x+2x-10=0
taking x and 2 common
x(x-5)+2(x-5)=0
x+2=0 and x-5=0
x=-2 x=5
x= -2 or 5
hope it helps..
so we have 10+3x-x²=0
or x²-3x-10=0
now,coming on factors of 10 required for solving this question
these are 2×5
x²-5x+2x-10=0
taking x and 2 common
x(x-5)+2(x-5)=0
x+2=0 and x-5=0
x=-2 x=5
x= -2 or 5
hope it helps..
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