Question
Solve by factorisation (x+3)(3x2_20x_7)=0
Answers
Reiny
Assuming you meant:
(x+3)(3x^2 - 20x - 7) = 0
(x+3)(x-7)(3x+1) = 0
carry on
(x+3)(3x^2 - 20x - 7) = 0
(x+3)(x-7)(3x+1) = 0
carry on