(4x^2 -6x +7)+(-19x^2 -15x -18)

1 answer:

4 0

Answer:

$-15x^2-21x-11$

Step-by-step explanation:

We need to find the value of $(4x^2 -6x +7)+(-19x^2 -15x -18)$ .

We can find it as follows :

$(4x^2 -6x +7)+(-19x^2 -15x -18)=4x^2 -6x +7-19x^2-15x-18\\\\=4x^2-19x^2-6x-15x+7-18\\\\=-15x^2-21x-11$

So, the value of the given expression is equal to $-15x^2-21x-11$ .

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