Question

What are solutions for the equation x^2 + 9x =10

{2,5}

{-10,1}

{-1,10}

{-5,-2}

Answer 1

-10 and 1

Explanation:

x2+9x -10 = 0

x2-x + 10x - 10 = 0

x(x-1) + 10(x-1) = 0

x+10=0

x-1=. 0

so

x= -10

or x = 1

Answer 2

it's (-10,1)

Explanation:

simplify then separate equations and last solve.