SOLUTION: (5x-7)(5x-9)=

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Question 935187: (5x-7)(5x-9)=
Answer by algebrahouse.com(1659) About Me  (Show Source):
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(5x - 7)(5x - 9)
= 5x(5x) + 5x(-9) - 7(5x) - 7(-9) {used foil method}
= 25x² - 45x - 35x + 63 {multiplied through}
= 25x² - 80x + 63 {combined like terms}

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