Question

Solve t^(2)+4t-21=0 by factoring. Enter your answers as a list separated by

Answer 1

t=-7

t=3

Explanation:

t^2+4t-21 is a quadratic equation. Here's how you factor it:

`x_(1) +x_(2)=-4 \\x_(1) * x_(2)=-21\\\\(x+7)(x-3)=0\\x=-7, x=3`