Math, asked by tamaraserukur, 6 months ago

simplify (6x + 15)^2 - (5x - 10)^2 + 20x - 1

Answers

Answered by Gazeo2003

1

Answer:

=(36x²+180x+225)-(25x²-100x+100)+20x-1

So the answer is 11x²+100x+324

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