Factor 5(x - 2) - 9x(x - 2) HELP!?
I need help with homework?? help ASAP
回答 (12)
✔ 最佳答案
This is easy....
5x - 10 - 9x^2 + 18x
-9x^2 + 23x - 10
5(x - 2) - 9x(x - 2)
= (x - 2)(5 - 9x)
step 1 expand
= 5x - 10 - 9x squared + 18x
step 2 collect like terms
= -9x squared + 23x -10
step 3 take out negative
= - (9x squared - 23x + 10)
Step 4 factorise
= - (9x - 5)(x - 2)
Step 5 times everything by -1
=(-9x+5)(-x+2)
Rewrite to make look better
= (5-9x)(2-x)
TOP ANSWER LOL
5(x - 2) - 9x(x - 2) = -(9x^2 -23x +10) = -(9x^2 -18x - 5x +10)
= (9x-5)(2-x) = (x-2)(5-9x)
5(x - 2) - 9x(x - 2)
= 5x - 10 - 9x^2 + 18x
= -9x^2 + 23x - 10
= 9x^2 - 23x + 10
= (9x - 5)(x - 2)
[(x-2)] (5-9x)
get it? you take the (x-2) out, then just multiply that by (5-9x)
put the 5 and the 9x together since the (x-2) are the same for both:
the answer
= (5-9x)(x-2)
it'd b (5x-10)-(9x2+18)
The 9x2 is nine x SQUARED. you know the little two above it? you should probably ask your teacher for help because if i just tell you the answer your never going to get it.
收錄日期: 2021-05-01 10:38:37
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