CAN SOMEONE PLEASE HELP ME!!!!!
1 answer:
Answer:
Step-by-step explanation:
2{5x²-15+(-9xy²)}-(2y²+4x-xy²)+3x²
=2{5x²-15-9xy²}-(2y²+4x-xy²)+3x²
=10x²-30-18xy²-2y²-4x+xy²+3x²
=13x²-2y²-17xy²-4x-30
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Answer:
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Answer:
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error in summing terms in x
Step-by-step explanation:
x + 3x + 5x = 180 ( collect like terms on left )
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