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seraphim [82]
3 years ago
14

Need answer asap algebra 2 math

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
4 0

Answer:

B

Step-by-step explanation:

f(x) = 2x^2 - 4x + 5                   Put brackets around the first 2 terms.

f(x) = (2x^2 - 4x) + 5                 Take out the common factor of 2

f(x) = 2(x^2 - 2x) + 5                 1/2 the second term and square.

f(x) = 2(x^2 -2x + (2/2)^2) + 5   Express brackets as a perfect square.

f(x) = 2(x - 1)^2 + 5                     Multiply 2 * 1 (the term without an x. Subtract.

f(x) = 2(x - 1)^2 + 5 - 2                Combine

f(x) = 2(x - 1)^2 + 3

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Use what you know about the difference of squares and the product of a perfect square binomial to expand the following.
wel

Answer:

\boxed{x^2 - 6x + 9 - y^2}.

Step-by-step explanation:

We start by applying the difference of squares to the expression:

((x-3)-y)((x-3)+y) = (x-3)^2 - y^2.

Now we apply the square of a binomial to the first term:

(x-3)^2 - y^2 = x^2 - 2 \times 3 \times x + 3^2 - y^2 = x^2 - 6x + 9 - y^2.

So the answer is:

\boxed{x^2 - 6x + 9 - y^2}.

3 0
3 years ago
G(x) = 8x - 9 for g(x) = 23
aleksklad [387]
23=8x-9 It’s says g(x)=23 so put 23 where
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First, add the 9
32=8x
/8 /8. Then, divide by 8.

4=x. And this should be your answer

Hope this helps! :)
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