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OpenStudy (thedj4jc):
Simplify. -2/3*(Square root)63x^3 A. -2*(Square root)7x B. -2x*(square root)7 C. -2x*(square root)7x
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OpenStudy (thedj4jc):
2. Simplify (square root)5/8 A. 4*(square root)10 B. (square root)10 divided 4 C. 2/10
OpenStudy (welshfella):
look for factors of 63 which include a perfect square like if the number was 20 you factor it to 4*5 so square root 20 would be sqr 4* sqrt 5 = 2 sqrt5
OpenStudy (thedj4jc):
7*9=63
OpenStudy (welshfella):
right so square root of 63 = sqrt9*sqrt7 = 3 sqrt7
OpenStudy (welshfella):
so we have got |dw:1428940775428:dw|
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