x(x-5)=84 please answer it
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1
Answer:
x(x-5)=84
x^2-5x=84
x^2-5x-84=0
if u want the value of x then factorise it...
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Answered by
3
x^2-5x=84
=> x^2 - 5x-84=0 .
=> x^2-12x+7x-84=0
=> x ( x-12) 7 (x-12)= 0
=> (x-12)( x+7) =0
Therefore , the zeroes are 12 and -7 .
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