Question

х (x+1) = 12 in quadratic equations by factorisation​

Answer 1

Answer:

x2 + x-12=0

x2+(4-3)x -12=0

x2+4x-3x-12=0

x(x+4)-3(x+4)=0

(x+4)(x-3)=0

x=-4 or x=3

Answer 2

Answer:

x2+x=12

x2+x-12=o

x2+4x-3x-12=0

x(x+4x)-3(x+4)

(x-3),,,,(x+4)

x=3,,,,x= -4