Question

4x²-3+{2x²-x-1-(-3x²+3x)+[(x²+7x+1)+(2x+6)]}

Answer 1

Explicação passo-a-passo:

4x²-3+{2x²-x-1-(-3x²+3x)+[(x²+7x+1)+(2x+6)]}

4x²-3+{2x²-x-1+3x²-3x[x²+7x+1+2x+6]}

4x²-3+{2x²-x-1+3x²-3x[x²+1+6+7x+2x]}

4x²-3+{2x²-x-1+3x²-3x+x²+7+9x}

4x²-3+{2x²+3x²+x²-x-3x+9x-1+7}

4x²-3+6x²+5x+6

4x²+6x²+5x-3+6

10x²+5x+3