3 years ago

Subtract 7x^2+4x-9 from 5x^2+10x-5 express the result as a trinomial in decending degree order

1 answer:

7 0

-2x^2-6x-14
Don't forget to do brain me! If you need a complete instructions of how to solve this, comment on the forum provided.

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Olegator [25]

-3x^2 - 10x + 5 = 0

Quadratic formula:

-b +/- sqrt[b^2 - 4(a)(c)]/2(a)

So. . . 10 +/- sqrt[(10^2) - 4(-3)(5)]/2(-3)

10 +/- sqrt[100+60]/ -6

10 +/- sqrt[160]/-6

5 0

3 years ago

Cerrena [4.2K]

<span>165/2
Hope this helps (:

</span>

3 0

3 years ago

Step2247 [10]

Answer:

3(3y+2)(y-2)

hope this helps

4 0

3 years ago

julia-pushkina [17]

Answer:

y=3/4x

Step-by-step explanation:

3 0

3 years ago

goldfiish [28.3K]

X = 28
you divide 112 by 4 to get 28

5 0

3 years ago