Question

(3x + y - 5) (3x - y - 5) Solve in Expansions​

Answer 1

Answer=== 3

x2

+30x−y

2

+25

Step by step instructions

3x^2 - 3xy -15x -y^2 +3xy -5y -15x +5y+25

-3xy+3xy =cancel out

-5y + 5y = cancel out

so we get is

${3}^{x2} \: + 30x - {y}^{2} + 25$

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