Question

please give solution of 2,6,and7 please don't spam it's urgent​

Answer 1

Answer:

2i)

(x+√5) (x-√5)=(x)² - (√5)²

=x²-5

ii) (x+2) (x+5) = x²+5x+2x+10

=X²+7x+10

I) (625)^I/4 = ((5)⁴)^1/4

= 5

(I225) ^I/2 = ((35)²) ^I/2

= 35

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