а) х² - 9х - 10 = х² + х - 10х - 10 = х(х + 1) - 10(х + 1) = (х + 1)(х - 10)
Ответ : (х + 1)(х - 10)
б) 3х² - 8х - 3 = 3х² + х - 9х - 3 = х(3х + 1) - 3(3х + 1) = (3х + 1)(х - 3)
Ответ : (3х + 1)(х - 3)
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а) х² - 9х - 10 = х² + х - 10х - 10 = х(х + 1) - 10(х + 1) = (х + 1)(х - 10)
Ответ : (х + 1)(х - 10)
б) 3х² - 8х - 3 = 3х² + х - 9х - 3 = х(3х + 1) - 3(3х + 1) = (3х + 1)(х - 3)
Ответ : (3х + 1)(х - 3)