Answer:
Explanation:
Remove any grouping symbol such as brackets and parentheses by multiplying factors.
Use the exponent rule to remove grouping if the terms are containing exponents.
Combine the like terms by addition or subtraction
Combine the constants
Simplify 3x2 + 5x2
Solution
Since both terms in the expression are have same exponents, we combine them;
3x2 + 5x2 = (3 + 5) x2 = 8x2