Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending pow ers of x. (5x2 - 7)(5x2 + 7)
2 answers:
Answer: 25x^4 - 49
Step-by-step explanation:
5x^2 - 7)(5x^2 + 7)
(5x^2)^2 - 7^2
25x^4 - 49
(5x^2 - 7)(5x^2 + 7)
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