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Marina CMI [18]
3 years ago
15

Factor the triomial x2-8x+15

Mathematics
1 answer:
slega [8]3 years ago
3 0
X²-8x+15
Use the p and q method.
p*q=15
p+q=-8
p=-5, q=-3
Write in your factored form.
(x-5)(x-3)
So, (x-5)(x-3) is your answer.
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A) x³y²if x = 2 and y = 4
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Answer:

128

Step-by-step explanation:

x³y²if x = 2 and y = 4

x³*y²

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(2*2*2)*(4*4)

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3 years ago
Given the expression: 5x^10-80x^2 Part A: Rewrite the expression by factoring out the greatest common factor
Jlenok [28]

Answer:

A) 5x²(x^(8) - 16)

B) 5x²[(x⁴ + √16) • (x² + ∜16) • (x + (8√16) • (x - (8√16))]

Step-by-step explanation:

We are given the expression;

5x^(10) - 80x²

A) Since the expression is, 5x^(10) - 80x², the greatest common factor is 5x². So we will factorize that out.

So, we have;

5x²(x^(8) - 16)

B) The complete factorization of 5x²(x^(8) - 16) will be;

5x²[(x⁴ + √16) • (x⁴ - √16)]

Now, (x⁴ - √16)] can be broken than further into;

(x² + ∜16) • (x² - ∜16)

Also, (x² - ∜16) can be broken down into;

[(x + (8√16) • (x - (8√16))

So, our complete factorization gives us;

5x²[(x⁴ + √16) • (x² + ∜16) • (x + (8√16) • (x - (8√16))]

5 0
3 years ago
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