(x + 5) x (x - 2) = =X
Multiply the parentheses
2 x-2x + 5x-10-x-5
x² + 3x - 10 = x - 5
x² + 3× -10 - × + 5 = 0
x²+2x-5=0
- 2+√2²-4×1× (-5) X
X= /. 2x1
X= -1 -/6 ,X= -1 +/6
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Answers & Comments
(x + 5) x (x - 2) = =X
Multiply the parentheses
2 x-2x + 5x-10-x-5
x² + 3x - 10 = x - 5
x² + 3× -10 - × + 5 = 0
x²+2x-5=0
- 2+√2²-4×1× (-5) X
X= /. 2x1
X= -1 -/6 ,X= -1 +/6