Expand, and simplify the following expressions a. (2x+y)(x+y) + (2x-y)(x+y)
2 answers:
Step-by-step explanation:
2x²+2xy+yx+y²+2x²+2xy-yx+y²
2x²+2x²+2xy+2xy+yx-yx+y²+y²
2x²+2x²+2xy+2xy
4x²+4xy
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Answer:
39
Step-by-step explanation:
15 divied by 13= .86
.86 times 45 = 38.7 they you round
Answer:
Z = - 8/3.
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