Note:Distribute the 2 to both terms inside the parentheses. (āĻŦā§ā§°ā§āĻā§āĻā§° āĻāĻŋāϤ⧰⧰ āĻĻā§āϝāĻŧā§āĻāĻž āĻĒāĻĻāϞ⧠⧍-ā§° āĻā§āĻŖ āĻā§°āĻāĨ¤)
Note: When a negative sign is outside the parentheses, change the sign of every term inside. (āĻŦā§ā§°ā§āĻā§āĻā§° āĻŦāĻžāĻšāĻŋā§°āϤ āĻāĻŖāĻžāϤā§āĻŽāĻ āĻāĻŋāĻšā§āύ āĻĨāĻžāĻāĻŋāϞ⧠āĻāĻŋāϤ⧰⧰ āĻĒā§ā§°āϤāĻŋāĻā§ āĻĒāĻĻā§° āĻāĻŋāĻšā§āύ āϏāϞāύāĻŋ āĻā§°āĻŋāĻŦāĨ¤)
4. Combining Like Terms (āĻāĻā§ āϧ⧰āĻŖā§° āĻĒāĻĻ āĻāĻāϤā§ā§° āĻā§°āĻž)
Wrong (āĻā§āϞ): 5x + 3y = 8xy
Correct (āĻļā§āĻĻā§āϧ): 5x + 3x = 8x
Note: Only combine like terms (same variable and same exponent). āĻāĻā§āϧ⧰āĻŖā§° āĻĒāĻĻ (āĻāĻā§ āĻāϞāĻ āĻā§°ā§ āĻāĻā§ āϏā§āĻāĻ)āĻšā§ āĻāĻāϤā§ā§° āĻā§°āĻŋāĻŦ āĻĒāĻžā§°āĻŋāĨ¤
Note: When multiplying powers with the same base, add the exponents. āĻāĻā§ āĻāĻŋāϤā§āϤāĻŋā§° āĻāĻžāϤ āĻā§āĻŖ āĻā§°āĻŋāϞ⧠āϏā§āĻāĻāϏāĻŽā§āĻš āϝā§āĻ āĻšāϝāĻŧāĨ¤
6. Zero Rule(āĻļā§āύā§āϝ āϏā§āĻāĻā§° āύāĻŋāϝāĻŧāĻŽ)
Wrong (āĻā§āϞ): x0 = x
Correct (āĻļā§āĻĻā§āϧ): x0 = 1
Note: Any non-zero number raised to the power 0 equals 1. āϝāĻŋāĻā§āύ⧠āĻ āĻļā§āύā§āϝ āϏāĻāĻā§āϝāĻžā§° āĻļā§āύā§āϝ āĻāĻžāϤ⧰ āĻŽāĻžāύ āϏāĻĻāĻžāϝāĻŧ ā§§ āĻšāϝāĻŧāĨ¤