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Answered

[(x+2)-(y+1)][(x+2)+(y+1)]
pa answer po​

Sagot :

SUZYBAEPARKIN

Answer:

x²+3x+3-xy-y

Step-by-step explanation:

[(x+2)-(y+1)] [(x+2)+(y+1)]

remove unnecessary parenthesis.

  • when there is a - in front of an expression in parentheses, change the sign of each term in the expression.

  • when there is a + in front of an expression in the parentheses, the expression remains the same.

  • (x+2-y-1) × (x+2) + y+1

subtract the numbers.

  • (x+1-y) × (x+2) + y+1

multiply the parentheses.

remove the parentheses.

x²+2x+x+2-xy-2y+y+1

collect like terms.

Solution:

x²+3x+3-xy-y...

Hope It's Help-

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