Very simple
? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 <span>+ (20 – 4x – 5x2)
</span>? = 20 – 7x2 <span>+ (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
</span>the answer is <span>C. 40-4x-12x^2</span>
-7 is the answer to this question
Refer to attachment
<h2>I HOPE IT IS HELPFUL</h2>
I think its 162 but i dont know so hope this helps sorry if it dont
Answer:
f= 5k-2/-k+2
Step-by-step explanation:
