factor 2x^2-32?
回答 (8)
2008-04-29 8:00 am
✔ 最佳答案
2x²-32=2(x²-16)
=2(x+4)(x-4)
參考: Pooja(peter),plzzz stop this...B FAIR...Dont cheat..this is mathematics section , dont waste our time..plzz itz my request
2015-08-15 12:25 pm
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RE:
factor 2x^2-32?
RE:
factor 2x^2-32?
參考: factor 2x 2 32: https://biturl.im/oFNZy
2008-04-29 9:05 am
2x^2 - 32
= 2(x^2 - 16)
= 2(x + 4)(x - 4)
= 2(x^2 - 16)
= 2(x + 4)(x - 4)
2008-04-29 8:10 am
2(x² - 16)
2(x - 4)(x + 4)
2(x - 4)(x + 4)
2008-04-29 8:03 am
All of them are right
2008-04-29 8:01 am
factorise 2x^2 - 32:
2 is a common factor, so take this outside the brackets:
2(x^2 - 16)
using the "difference of two squares" rule (one squared number minus another squared number), you can further simplify and factorise the expression:
= 2(x-4)(x+4)
...And that's it really! hope that makes sense..
2 is a common factor, so take this outside the brackets:
2(x^2 - 16)
using the "difference of two squares" rule (one squared number minus another squared number), you can further simplify and factorise the expression:
= 2(x-4)(x+4)
...And that's it really! hope that makes sense..
2008-04-29 7:59 am
2[(x^2) - 16 ] =0
ie x = +4, -4
ie x = +4, -4
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