Do (7x3)=21x7=147 so that’s how you do it hope it helps
Answer:
Step-by-step explanation:
We assume you want to expand ...
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In each case, the product of the factors is ...
(x +a)(x +b) = x² +(a+b)x +ab
For the numerator, you have (a, b) = (2, -2).
For the denominator, you have (a, b) = (-3, -3).
how is the volume of a solution used in calculating concentration?
A. Robert purchased a 36-inch piece of wood
120 different ways hope this helped