Question

Add the following

a)3x²y , -5x²y , -x²y
b)a+b-3,b+2a-1​

Answer 1

Answer:

a) -3x²y

b) 3a+2b-4

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Answer 2

Answer:

a)

$3x ^{2} y + ( - 5{x}^{2} y) + ( - {x}^{2} y) = 3 {x}^{2} y - 5{x}^{2} y - {x}^{2} y = - 3 {x}^{2} y$

b)

a+b-3+(b+2a-1) = 3a + 2b -4