Q. Combine like terms.−2x2+1+1−2y3+3y3+4−7x2Answer:
Identify Like Terms: Identify and group like terms. Like terms are terms that contain the same variables raised to the same powers.−2x2 and −7x2 are like terms.1, 1, and 4 are like terms.−2y3 and 3y3 are like terms.
Combine x2 Terms: Combine the like terms for x2.−2x2−7x2=−9x2
Combine Constants: Combine the like terms for the constants.1+1+4=6
Combine y3 Terms: Combine the like terms for y3.−2y3+3y3=1y3 or simply y3
Write Combined Expression: Write the combined expression with the like terms added together.−9x2+6+y3
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