Prealgebra & Beginning Algebra
그들을 선택함으로써 경험을 향상시키세요
4b4b
7b7b
8b8b
7b+b7b+b
Simplify the expression.
11a+5−3b+2a+9b11a+5-3b+2a+9b
2c+3(7+c)−92c+3(7+c)-9
Multiply.
−5(−9x2)-5\(\left\)(-9x^2\(\right\))
3(4x2yz)3\(\left\)(4x^2yz\(\right\))
Simplify by combining like terms.
(B) 10x+6−2x10x+6-2x
−5(7x)-5\(\left\)(7x\(\right\))
12(5b)12(5b)
6(8+9z)6\(\left\)(8+9z\(\right\))