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# Qwizdom algebra - expanding

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An interactive maths lesson designed for use with Qwizdom Interactive Voting Systems

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### Qwizdom algebra - expanding

1. 1. ALGEBRA: EXPANDING AN INTERACTIVE QWIZDOM LESSON
2. 2. Expand 3x(x+4) = <ul><li>3x + 12 </li></ul><ul><li>3x² + 12x </li></ul><ul><li>3x² + 7x </li></ul>
3. 3. Expand 7x(y+6) <ul><li>7xy + 42x </li></ul><ul><li>7y² + 42x² </li></ul><ul><li>7x + y + 13x </li></ul>
4. 4. Expand 6a(a+3) <ul><li>6a + 9 </li></ul><ul><li>6a² + 9a </li></ul><ul><li>6a² + 18a </li></ul>
5. 5. (x+2)(x+3) <ul><li>x² + 5x + 6 </li></ul><ul><li>x² + 23x +5 </li></ul><ul><li>x² + 6 </li></ul>
6. 6. (x+10)(x+10) <ul><li>x² + 20x + 100 </li></ul><ul><li>100x </li></ul><ul><li>x² +10x + 100 </li></ul>
7. 7. (x+3)(x+5) <ul><li>3x + 5x </li></ul><ul><li>x² + 8x + 15 </li></ul><ul><li>x² + 15x + 8 </li></ul>
8. 8. (x+2)(x+7) <ul><li>x² + 14x + 14 </li></ul><ul><li>x² + 9x + 14 </li></ul><ul><li>x² +27x + 14 </li></ul>
9. 9. (x+10)(x+3) <ul><li>x² + 30x + 13 </li></ul><ul><li>x² + 7x + 13 </li></ul><ul><li>x² + 13x + 30 </li></ul>
10. 10. (x + 10)(x – 6) <ul><li>x² + 4x – 60 </li></ul><ul><li>x² + 16x + 60 </li></ul><ul><li>x² + 4x + 60 </li></ul>
11. 11. (x – 2)(x + 7) <ul><li>x² - 9x + 14 </li></ul><ul><li>x² -9x + 9 </li></ul><ul><li>x² + 5x -14 </li></ul>