jordynlogan
jordynlogan jordynlogan
  • 16-02-2018
  • Mathematics
contestada

factor the expression: x^2+x-30

Respuesta :

trishinada63
trishinada63 trishinada63
  • 16-02-2018
Find two numbers that multiply to -30 and add to 1, so -5 times 6 is -30 and -5 plus 6 is 1.

The factors would look like (x-5)(x+6).
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prosborough198p2ub41
prosborough198p2ub41 prosborough198p2ub41
  • 16-02-2018
x^2+x-30 is a quadratic equation. So we can solve by using many methods, most common and easiest being factoring and quad formula. Here we can just factor. So we get 

(x-5)(x+6) meaning then x=5 and x=-6

Hope this helps! Any questions please just ask! Thank you so much!!

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