(a+b)(a-b)=a^2 - b^2
so
<span>(4x-7)(4x+7) = 16x^2 - 49
answer
</span>16x^2 - 49
False because it’s natural so it’ll just come back
Answer:
7 pizzas
Step-by-step explanation:
You just minus 72 from 9 and once you get to 9 dollars you still have enough to time the delivery guy and you would have 4 dollars left.
Since you have two numbers that have a (x) at the ends of them, you add those first then add seven which will end up being 9x+7
X=2 because 5^3=125 and there you are
