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(3x2+5)+(16x2+7)

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Bill M. | College instructor with 20 years experience in math, physics, comCollege instructor with 20 years experie...
4.9 4.9 (979 lesson ratings) (979)
1
Assuming  (3x2 + 5) + ( 16x2 + 7) = (3x2 + 16x2 + 5 + 7 ) = 19x2 + 12
 
Bill.
Brian H. | Santee Tutoring by BrianSantee Tutoring by Brian
0
Do everything inside the () first. Remember that multiplication comes before addition. Do the two multiplications. So you get...
(6+5)+(32+7)
11+39=50
Darlene N. | Experienced Math Teacher and Doctoral Candidate in Math EducationExperienced Math Teacher and Doctoral Ca...
5.0 5.0 (3 lesson ratings) (3)
-1
I assume the same as Bill, with the 2's being exponents, in which case you'd add your like terms. The x2 terms can be added (no change in power there!) and the constants can be added.