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7x²-45x-28 factoring quadratic expressions

7x²-45x-28 factoring quadratic expressions
asked 54.2k views
5 votes
7x²-45x-28

factoring quadratic expressions

asked
User Nguyen Viet Cuong
by
8.3k 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

answered
User MIkka Marmik
by
8.5k points
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