Question

Solve for all values of x by factoring.
x^2 + 4x – 30 = -3x

Answer 1

`{x}^(2) + 4x - 30 = - 3x \\{x}^(2) + 7x - 30 = 0 \\ {x}^(2) - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\ \boxed{x = 3} \\ \boxed{x = - 10}`

x=3 or x=-10 is the right answer.