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7x²-45x-28 factoring quadratic expressions
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5 votes
7x²-45x-28

factoring quadratic expressions

User Nguyen Viet Cuong
by
5.7k points

1 Answer

4 votes

7x²-45x-28

ac=196


7x^(2)-49x+4x-28


7x(x-7)+4(x-7)

(7x+4) (x-7)


x=-(4)/(7), 7

User MIkka Marmik
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