Question

How do you solve `x^2+3x-10=0`?

Answer 1

`x=-5" or "x=2`

Explanation:

`"the factors of - 10 which sum to + 3 are + 5 and - 2"`

`rArr(x+5)(x-2)=0larrcolor(blue)"in factored form"`

`"equate each factor to zero and solve for x"`

`x+5=0rArrx=-5`

`x-2=0rArrx=2`