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torisob [31]
3 years ago
12

Simplify the following expression:

Mathematics
1 answer:
Vaselesa [24]3 years ago
4 0

Answer:

7x^5 − x^3 − x^2 + 3x

Step-by-step explanation:

I got that by combining like terms.

(7x^5) + (3x^4 + −3x^4) + (2x^3 + −3x^3) + (−5x^2 + 4x^2) + (5x + −2x)

the answer isn't in the picture the closest would be A so idk if i made a mistake but I hope u still understand how to solve it :)

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Find the zeros of each function by using a graph and a table f(x)=x^2+3x-18.
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1) Finding the zeros of this function f(x) =x² +3x -18

f(x) = x²+3x-18 <em>Factoring this equation, and rewriting it</em>

<em />

<em>Which two numbers whose sum is equal to 3 and their product is equal to 18?</em>

<em>6 -3 = 3 and 6 *-3 = -18</em>

<em />

<em>So we can rewrite as (x +6) (x-3)</em>

<em> </em>

(x+6)(x-3)=0 <em>Applying the Zero product rule, to find the roots</em>

x+6=0,

x=-6

x-3=0,

x=3

S={3,-6}

2) Setting a table, plugging in the values of x into the factored form: (x-6)(x-3)

x | y |

1 | -14 (1 +6)(1-3) =-14

2 | -8 (2 +6)(2-3) =-8

3 | 0

4 | 10

-5 | -8

-6 | 0

3) Plotting the function:

5 0
1 year ago
-2 3/4 ? -2 2/3 <br> -0.08 ? -0.8 <br> -4.82 ? -4.89<br> I need help with 3 three if u can help!
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3 years ago
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anygoal [31]
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