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Multiply the following polynomials (5x2 - 7)(5x2 + 7)
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1 vote
Multiply the following polynomials (5x2 - 7)(5x2 + 7)

User Chamira Fernando
by
4.9k points

1 Answer

3 votes

Answer:

25
x^(4) - 49

Explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

= 5x²(5x² + 7) - 7(5x² + 7) ← distribute both parenthesis

= 25
x^(4) + 35x² - 35x² - 49 ← collect like terms

= 25
x^(4) - 49 ← a difference of squares

User TheLeonKing
by
5.4k points
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