1). x² - 7x + 10 = 0
( x + 5 ) ( x + 2 )
X1 = -5
X2= - 2
2). x² +2x -8 = 0
( x + 4 ) ( x - 2 )
X1 = -4
X2= 2
3). 2y² + 5y = 3
2y² + 5y - 3 = 0
( y + 3 ) ( 2y - 1 )
X1 = - 3
X2= 2y - 1 = 0
X2= 2y = 1
X2= y = ½
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1). x² - 7x + 10 = 0
( x + 5 ) ( x + 2 )
X1 = -5
X2= - 2
2). x² +2x -8 = 0
( x + 4 ) ( x - 2 )
X1 = -4
X2= 2
3). 2y² + 5y = 3
2y² + 5y - 3 = 0
( y + 3 ) ( 2y - 1 )
X1 = - 3
X2= 2y - 1 = 0
X2= 2y = 1
X2= y = ½