stephenandvicki
27.06.2019 •
Mathematics
What are the x-intercepts of the function f(x) = 2x^2 - 3x + 20?
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Ответ:
Steps
0 = (2x - 5)(x + 4) | FOIL (distribution)
2x = 5 | zero product rule
x = 5/2 <<<
x = -4 <<< | zero product rule again.
Ответ:
answers below
Step-by-step explanation:
1. 24(x + 2y) 2. 6p (5mp + m^2 - 1) 3. q(q^3 - 18q^2 + 22)
4. 3x(3x - 1) 5. 2(2m + 3p - 4mp) 6. 15r^2 (3r - 1)
7. 4x (1 + 3x + 4x^2) 8. ab (4a + 28b + 7) 9. 2(3y + 6x - 4z)
10. (x+2)(x+1) 11. (3y-2)(2y+1) 12. 4m(m+p) + 3p(m+p) = (m+p)(4m + 3p)