Question

solve by using factorization method xsquare-x-20=0.
write the answer with factorization and keep the poto of your answer​

Answer 1

Step-by-step explanation:

$x {}^{2} - x - 20 = 0$

$x {}^{2} + 4x - 5x - 20 = 0$

$x(x + 4) - 5(x + 4) = 0$

$(x - 5)(x + 4) = 0$

$x = 5$

$x = - 4$