Quadratic Area puzzles In each of these questions, find the marked side or area in terms of 𝑥. You can do your workings out in this column. 1. ? 2𝑥 2 + 9𝑥 + 4 𝑥+3 𝑥 2 + 5𝑥 + 6 2𝑥 + 7 2. 𝑥+2 𝑥2 − 4 6𝑥 2 + 3𝑥 − 3 4𝑥 2 + 8𝑥 − 5 2𝑥 − 1 3. ? 𝑥+3 4𝑥 2 − 1 2𝑥 2 + 5𝑥 − 3 𝑥 𝑥 2 + 3𝑥 − 4 ? 𝑥−1 4. 𝑥+3 𝑥 2 + 8𝑥 + 15 𝑥 2 + 3𝑥 − 10 2𝑥 2 + 13𝑥 − 7 2𝑥 2 + 5𝑥 + 2 𝑥2 − 4 𝑥2 2𝑥 2 + 𝑥 − 3 6𝑥 2 + 7𝑥 + 2 3𝑥 2 − 7𝑥 − 6 𝑥 2 + 4𝑥 + 3 2𝑥 2 + 𝑥 − 1 ? 4𝑥 2 − 4 Inspired by Naoki Inaba 2𝑥 − 2 2𝑥 2 − 2