Question

Solve the following equations ⚡

1. Expand and simplify the algebraic expression (x + 3)(x - 3) - (-x - 9)

2. Which property is used to write a(x + y) = a x + a y

3. Simplify ( 8 x3 ) / ( 2 x-3)

4. Simplify (-a2b3)2(c2)0

5. For what value of k is the point (-2, k) on the line with equation -3 x + 3 y = 4?

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✔ Give proper explanation
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✔ no spam answers​

Answer 1

Answer:

1] (x + 3)(x - 3) - (-x - 9)

x^2 - 3 [+ and - = -].

x^2-3 + x-9 [ minus minus becomes plus ]

x^3 1-9=8 .

°

°. ° answer is. 8

2] x(a+b) = ax+ ab

3] x^4 8+2 =10-3 = 7

answer is 7

4] couldn't understood the question

5] ?

Answer 2

how are you naira.. or ap apni friend se kehna ki mere se urgently bat kre