Solve the quadratic equation 84x2+16x=0 by factoring out the GCF.(1 point) Responses
The solutions are x=−4 and x=−421 .
The solutions are x=0 and x=4 .
The solutions are x=0 and x=421 .
The solutions are x=−421 and x=0 .
3 answers
The correct answer is: The solutions are x=0 and x=-4.
again with the weird way of writing fractions!
84x2+16x = 4x(21x+4)
so the roots are x=0 and x = -4/21
84x2+16x = 4x(21x+4)
so the roots are x=0 and x = -4/21
Apologies for the confusion. You are correct, the factored form of the equation is 4x(21x+4). Therefore, the solutions are x = 0 and x = -4/21.