A number exceeds another number by 3 and their product is 40 find the number
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Answer:
x =5 and x = -8
EXPLANATION :
Let the numebr be x.
other number = x +3
According to question
x(x+3) = 40
x² +3x = 40
x² + 3x -40 = 0
x² + 8x -5x -40 =0
x(x+8) -5(x +8) = 0
x-5 = 0. and x + 8 = 0
x =5 and x = -8
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