FIND THE SUM
2.-7a² and -8a²
a.-a²
b.-15a²
3.6(×+3) and -7(×+3)
a.-x-3
b.-13x-39
4.1/4ab and -1/4ab
a.0
b//1/2
5.0.5 xyz and 1.5xyz
a.2.5 xyz
b.2.5x²y²z²
2.-7a² and -8a²
a.-a²
b.-15a²
3.6(×+3) and -7(×+3)
a.-x-3
b.-13x-39
4.1/4ab and -1/4ab
a.0
b//1/2
5.0.5 xyz and 1.5xyz
a.2.5 xyz
b.2.5x²y²z²
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Answer:
2. b
3. a
4. a
5. 2xyz
Step-by-step explanation:
2. -7a² + (-8a²)
-15a²
3. 6(x+3) + (-7(x+3))
-1(x+3)
-x-3
4. 1/4ab + (-1/4ab)
0ab
0
5. 0.5xyz + 1.5xyz
2xyz