Answer:
1) -5
2) -1
3) 126
4) 4
5) 11
Step-by-step explanation:
1.) -20+15
= - 5
2.) (1)(2)(3)-7
6-7
= -1
3.) (-1)^2+(-5)^2
1+125
=126
4.) (2+3)-(3-2)
5-1
=4
5.) 3(-2)^2-2(3)+5
3(4)-2(3)+5
12-6+5
6+5
=11
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Answers & Comments
Answer:
1) -5
2) -1
3) 126
4) 4
5) 11
Step-by-step explanation:
1.) -20+15
= - 5
2.) (1)(2)(3)-7
6-7
= -1
3.) (-1)^2+(-5)^2
1+125
=126
4.) (2+3)-(3-2)
5-1
=4
5.) 3(-2)^2-2(3)+5
3(4)-2(3)+5
12-6+5
6+5
=11