Question

2 x square - 38 x + 168 equal to zero write in the quadratic formula

Answer 1

2x^2-38x+168=0
2( x^2-19x+84)=0
x^2-19x+84=0
x^2-12x-7x+84=0
x(x-12) -7(x-12)=0
x-7=0 , x-12=0
x=7. , x=12