Mathematics, 26.10.2020 16:40 red21120p718de
Ali and Akari were trying to solve the equation: (x-1)(x-7)=5(x−1)(x−7)=5left parenthesis, x, minus, 1, right parenthesis, left parenthesis, x, minus, 7, right parenthesis, equals, 5 Ali said, "I'll multiply (x-1)(x-7)(x−1)(x−7)left parenthesis, x, minus, 1, right parenthesis, left parenthesis, x, minus, 7, right parenthesis and rewrite the equation as x^2-8x+7=5x 2 −8x+7=5x, squared, minus, 8, x, plus, 7, equals, 5. Then I'll subtract 555 from both sides, and use the quadratic formula with a=1a=1a, equals, 1, b=-8b=−8b, equals, minus, 8, and c=2c=2c, equals, 2." Akari said, "The left-hand side is factored, so I'll use the zero product property." Whose solution strategy would work?
Answers: 1
Mathematics, 21.06.2019 17:30
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Which verbal expression best describes the algebraic expression 3x ÷ 5? the quotient of three times some number and five the product of some number and five divided by three the quotient of three and some number times five the sum of three and some number divided by five
Answers: 1
Ali and Akari were trying to solve the equation: (x-1)(x-7)=5(x−1)(x−7)=5left parenthesis, x, minus,...
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