different between endorsing vs expressing

endorsing

endorsing From the web:

• what endorsing a check means
• what's endorsing a check
• what endorsing means
• endorsing what does it mean
• what does endorsing a candidate mean
• what is endorsing a cheque
• what is endorsing in linkedin
• what does endorsing mean on linkedin

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expressing

expressing From the web:

• what expression is equivalent to
• what expression is equivalent to (5z2+3z+2)^2
• what expression is equivalent to mc012-1.jpg
• what expression is equivalent to 7/12
• what expression is equivalent to x^2-49
• what expression represents the profit
• what expression has a value of 2/3
• what expression is equivalent to 6(3x+4)