Expand the brackets .You will have to multiply it.
6x2 +10x-3x-5
Final answer will be
6x2+7x-5
x2 means (x square)
Answer:

Step-by-step explanation:
I hope it helped U
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Answer:
a believe it is c..........
Answer:
x=8.3 y=16.1
Step-by-step explanation:
87+12y+-7=180
29+9x+6=180
just add like terms then solve