Question

Find the products of the following and find the value of the product by taking
x= -3, y = 2:
(a) 3x²y, – xy² and -xy
(b) 3x and y + 13x
(c) 5xy and (x + y)
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Answer 1

Answer:

a) 3[(-3)*(-3)]2 * -(-3)2*2 *-(-3)2

3(9)2 * 12 * 6

54 * 72

= 3888

b) 3(-3) * 2+13(-3)

-9 * -15

= 135

c) 5(-3)2 * [(-3) + 2]

-30 * -1

= 30