Just use the distributing property and combine like terms. There isn’t a definite answer since it is an expression.
Step-by-step explanation:
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P=(15x-2+4x+7)2=(19x+5)2=38x+10
Answer:
The last one right
Step-by-step explanation:
Divide by L both sides
<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
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