Answer:
Step-by-step explanation:
Sum = -14
Product = 45
Factors = (-5) ; (-9) {(-5) + (-9) = -14 & (-5)*(-9) = 45}
y² -14y + 45 = y² - 9y - 5y + (-9)*(-5)
= y(y - 9) -5( y - 9)
= (y -9) ( y -5)
y^2 - 14y + 45
y^2 - (9 + 5)y + 45
y^2 - 9y - 5y + 45
y( y - 9) - 5(y -9)
(y - 5) (y - 9)...factors
