3 years ago

WHAT AM I DOING WRONG?

Mathematics

2 answers:

hram777 [196]3 years ago

6 0

Answer:

you are doing -4. so the first parenthesis -4(x+2x+1) is incorrect.

Step-by-step explanation:

Hope this helps plz hit the crown :D

timurjin [86]3 years ago

5 0

Answer:

-4(x-4)²+9y(y+4)=0

Step-by-step explanation:

If we put the -64 with the x’s instead of the y’s, we get:

-4x²+32x-64+9y²+36y=0

-4(x²-8x+16)+9y(y+4)=0

-4(x-4)²+9y(y+4)=0

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