Jawaban:
$$2x^2 + 3x – 5 + 4x^2 – 2x + 6 = 6x^2 + x + 1$$
2. Soal 2:
$$(3x^2 – 4x + 7) – (2x^2 + 5x – 3)$$
Jawaban:
$$3x^2 – 4x + 7 – 2x^2 – 5x + 3 = x^2 – 9x + 10$$
Jawaban:
$$2x^2 + 3x – 5 + 4x^2 – 2x + 6 = 6x^2 + x + 1$$
2. Soal 2:
$$(3x^2 – 4x + 7) – (2x^2 + 5x – 3)$$
Jawaban:
$$3x^2 – 4x + 7 – 2x^2 – 5x + 3 = x^2 – 9x + 10$$