3 Math Questions

1.) 2x^2-2x-4=0

2.) x^2+8x+15=0

3.) 2x^2=18x+20

Question

Margaret Gentry

Mathematics

9 February, 05:51

3 Math Questions

1.) 2x^2-2x-4=0

2.) x^2+8x+15=0

3.) 2x^2=18x+20

+2

Answers (1)

Know the Answer?

Preston Dalton · Answer 1

Man factoring trinomials can be a pain

since the first coefficient for 2 of them is greater than one u can do the decomposition method

the middle one is straight forward do the diamond method and u get 2 answers

find what multiplies to 15 and adds to 8 and those 2 numbers are your answers

there will always be 2 answers

3 Math Questions1.) 2x^2-2x-4=02.) x^2+8x+15=03.) 2x^2=18x+20

3 Math Questions

1.) 2x^2-2x-4=0

2.) x^2+8x+15=0

3.) 2x^2=18x+20