Question

3x^2-12x+15 solve by the factorization,formula method and by completing square method to be marked as brainliest​

Answer 1

Answer:

Question is wrong...According to Ur question the roots will come imaginary...If we take -15 instead of +15 The answer will appear like this...

Step-by-step explanation:

• 3x^2-15x+3x-15
• 3x(x-5)+3(x-5)
• (3x+3)(x-5)
• 3(X+1)(x-5)