stupidinmath
4t^2(k+9)7+20ts(k+9)7+25s^2(k+9)7
factored : (k+9)^7(2t5s)^2
now, will u show me the steps to get these?



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imron07
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You mean this? \[4t^2(k+9)^7+20ts(k+9)^7+25s^2(k+9)^7\]?

stupidinmath
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Yup.

imron07
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Well: \[=(k+9)^7(4t^2+20ts+25s^2) \] Got this part?

stupidinmath
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Yeah.

stupidinmath
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I know the answer but what's the steps?

imron07
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Which step you don't understand. From there, you just need to factor 4t^2+20ts+25s^2

stupidinmath
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Yeah. I mean steps onhow you factored it

imron07
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Are you sure have written the problem correctly?

stupidinmath
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YEAH

stupidinmath
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ok. so what's next with
(k+9)7(4t2+20ts+25s2)

stupidinmath
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?

imron07
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Find two numbers A and B where
A*B=4*25=100
A+B=20

stupidinmath
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and .. ? that's how you get (k+9)7(4t2+20ts+25s2)?