Question

Add the expression
Please answer it
I will mark u branliet no unecessary answer
or else{report}​

Answer 1

Answer:

$- 4x {}^{2} - 26x + 28$

Step-by-step explanation:

$- 10x {}^{2} + 8x + 5 + 11x {}^{2} - 19x + 7 - 5x {}^{2} - 15x + 16$

$- 10x {}^{2} + 11x {}^{2} - 5x {}^{2} + 8x - 19x - 15x + 5 + 7 + 16$

minus-minus gets plus

so,

$- 10x {}^{2} - 5x {}^{2} + 11x {}^{2} + 8x - 19x - 15x + 5 + 7 + 16$

then,

$- 15x {}^{2} + 11x {}^{2} + 8x - 34x + 12 + 16$

$- 4x {}^{2} - 26x + 28$

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Answer 2

the above is mentioned you is totally right do you really live in australia