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Mathematics 10 Online
OpenStudy (anonymous):

6x(x) + 7x - 20

OpenStudy (anonymous):

\[6x(x) + 7x - 20 =6x^2 + 7x - 20 =6x^2 + 15x-8x - 20\] \[=3x(2x + 5)-4(2x + 5) =(3x-4)(2x+5) \] are the required factors of the given expression

OpenStudy (anonymous):

explain how do you know to split 7x = 15 x - 8x

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