1.) 2x² - 6x
2.) -3x² + 21x
3.) x² - 10x + 24
4.) 4t²+8t+4
5.) 4x² - 9
6.) 2y2 - 3y - 14
c. How did you check if the factor you obtain are correct
d. Which of the polynomial expressions you find difficult to factor why
2.) -3x² + 21x
3.) x² - 10x + 24
4.) 4t²+8t+4
5.) 4x² - 9
6.) 2y2 - 3y - 14
c. How did you check if the factor you obtain are correct
d. Which of the polynomial expressions you find difficult to factor why
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Answer:
1. 2x²–6x
2x(x–3)
2. –3x²+21
–3(x²–7)
3. x²–10+24
(x–6)(x–4)
4. 4t²+8t+4
4(t²+2t+1)
4(t+1)(t+1)
5. 4x²–9
(2x+3)(2x–3)
6. 2y²–3y–14
2y²+4y–7y–14
2y(y+2)–7(y+2)
(2y–7)(y+2)
Answer to questions:
c. By multiplying the factors.
d. For me,none. Because they're easy.