Question

HELP
Solve. 3x2 = -21x - 15

Answer 1

Move all terms to left side and take 3 as common factors from all the terms...

Answer 2

\(3x^2=-21x-15\)
1st of all bring 21x to the left of equation

Answer 3

\(3x^2-21x=-15\)

now bring -15 to the left side and it would change into postive as

\(3x^2-21x+15\)

Answer 4

now factorize them @chariety101 understanding?

Answer 5

multiply 15 to 3 the first and the end co-efficients with each other

Answer 6

15*3=45 now take LCM of 45 as

Answer 7

alright alright i think i understand... so far..

Answer 8

are you there? @ziqbal103

Answer 9

@chariety101 i think in your question 3*2 is ...isn't it?

Answer 10

i did wrong by assuming that \(3x^2\) but it is 3*2=6 @chariety101

Answer 11

now solve this quadratic equation by quadratic formula... do u know the quadratic formula?