Recall that the product (a + b)(a - b) is the
difference of squares, a? -b2.
Examine this same product for radical
expressions.
Choose the product of (3+/7)(3-7)
0 6 -357 +31/7 - /14
0 9- 21 + 121 - 149
9-37+37 - 49

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the answer is 288..

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graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2

the square root of 16 is 4.

4*4 = 16