Question

what is the sum and difference of two terms of
1. (× + 3) (× -3) =
2. (3y +2×) (3y -2×) =


need ko po answer. please pa answer po
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Answer 1

Answer:

1: x^2 - 9

2: 9y^2-4x^2

Step-by-step explanation:

according to the formula

a^2-b^2=(a+b) (a-b)

Answer 2

Step-by-step explanation:

1) x+3+x-3 = 2x

x+3-x+3 = 6

2) 3y+ 2x +3y-2x = 6y

3y+ 2x -3y+2x = 4x