Activity 1.3 Factoring timel
Find the roots of the following quadratic equations by factoring,
1. (x2 – 3x) = 0
4. x2 - 13x - 12 = -42
2. x2 - 2x -8=0
5. 2x2 + 7x - 15 = 0
3 x2 + 5x + 6 = 0
Find the roots of the following quadratic equations by factoring,
1. (x2 – 3x) = 0
4. x2 - 13x - 12 = -42
2. x2 - 2x -8=0
5. 2x2 + 7x - 15 = 0
3 x2 + 5x + 6 = 0
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1.) x² -3x = 0
= x(x - 3)
2.) x² - 2x - 8 = 0
= (x + 2) (x - 4)
3.) x² +5x +6 =0
= (x + 6) (x - 1)
4.) x² - 13x -12 = -42
= x² - 13x + 30
= (x - 3) (x-10)
5.) 2x² + 7x -15 = 0
= (2x - 3) (x + 5)
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