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Factorize: 

x2 – 7x – 30

1 Answer

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Best answer

x2 – 7x – 30 

Now, first we have to find out the numbers whose

Sum = - 7 and 

Product = - 30 

The numbers are 10 and 3, 

So, 

x2 – 7x – 30 

= x2 – 10x + 3x – 30 

= x(x – 10) + 3(x – 10) 

= (x – 10)(x + 3)

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