Combine like terms to simplify the expression:
7x + 3y – 2 + 6x – 1 – y2
A.
–3y3 + 13x2 – 3
B.
–2y3 + 13x – 3
C.
–y2 + 3y + 42x2 –3
D.
–y2 + 3y + 13x – 3
Honestly I have no clue how to do this!! @wolf1728
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OpenStudy (wolf1728):
7x + 3y – 2 + 6x – 1 – y²
-y² +13x +3y -3
Seems the answer is D
OpenStudy (wolf1728):
Do you want an explanation?
OpenStudy (anonymous):
Yes exactly what I was gonna ask for. :)
OpenStudy (wolf1728):
Okay, when it says "combine like terms" it means to combine similar things.
The 7x can be combined with 6x to make 13x.
Imagine the 'x' means apples.
7 apples plus 6 apples equals 13 apples.
OpenStudy (anonymous):
Thank you so much, one more question how do you give someone a fan testimonial?
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OpenStudy (wolf1728):
I'm not sure.
OpenStudy (anonymous):
I would give you one but neither am I. haha Is it ok if I ask for some help later?
OpenStudy (anonymous):
I'm sure I'm going to need it!!!
OpenStudy (wolf1728):
okay - if I am around I'll help
OpenStudy (anonymous):
Thank you so much! : )
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