Textbook Question
Factor by any method. See Examples 1–7.
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Factor by any method. See Examples 1–7.
Identify the property illustrated in each statement. Assume all variables represent real numbers. 6∙12+6∙15=6(12+15)
The special products can be used to perform selected multiplications.
On the left, we use (x+y)(x-y) = x2-y2. On the right, (x-y)2 = x2-2xy+y2.
Use special products to evaluate each expression. 63 x 57
Factor by any method. See Examples 1–7.
Perform the indicated operations. Assume all variables represent positive real numbers. 5√6 + 2√10
Calculate each value mentally. (0.22/3)(402/3)