y^2 + 19 y - 150 factorise
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Answer:
(y + 25)( y - 6)
Step-by-step explanation:
y² + 19y - 150 is an expression, that is, there is no equal to( = )
so, By factoring the middle term method
y² + 19y - 150
ay² + by - c, where a, b, and c are coefficients
Now,
Sum = b = 19
Product = (a×c) = -150
So we must find a number which adds to 19 and gives a product -150
Factors of 150 are 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
Now when we look into the product and sum, the factors must be a positive and a negative value
also, by trial and error we come to the conclusion factors are 25 and -6
Therefore, = y² + 25y - 6y - 150
Taking commons we get
=y(y + 25) -6(y + 25)
=(y + 25)(y - 6)
Hope you understood it........All the best
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