3 years ago

PLZZ I WILL GIVE BRAINLIST PLEASE ANSWER ASAP!!!!

Mathematics

1 answer:

lora16 [44]3 years ago

8 0

Answer:

Option C. -3x^2-13x-5

Step-by-step explanation:

we know that

To find how much greater is the area of room A than the area of room B. subtract the area of room B from the area of room A

$(5x^{2}-7x-6)-(8x^{2}+6x-1)\\ \\= (5x^{2}-7x-6)-8x^{2}-6x+1\\ \\=(5x^{2}-8x^{2})+(-7x-6x)+(-6+1)\\ \\=-3x^{2} -13x-5$

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