2 answers:
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
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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