ashleykelen
ashleykelen
08-04-2020
Mathematics
contestada
How to factor 7z^2-4z-3
Respuesta :
nuggetbutt
nuggetbutt
08-04-2020
Answer= (7x - 4)(x - 3)
Work=
You’re looking for 2 numbers that add to -4 and multiply to -21.
-7 + 3 = -4
-7 x 3 = -21
So it’s (x - 4)(x - 21)
Divide both by 7, because it is attracted to the x squared.
Remember: if a number is not divisible by 7, the 7 attaches to the x
Answer= (7x - 4)(x - 3)
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rnw10
rnw10
08-04-2020
Good luck I hope find you answer
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