Question

efetue as adições algébricas

Answer 1

$a)2 {a}^{2} - 3 {a}^{2} + 5 {a}^{2} + 5 {a}^{2} = \\ - 1 {a}^{2} + 10 {a}^{2} = \\ 9 {a}^{2} \\ \\ b)12 { x}^{4} - 5 {x}^{4} + 3 {x}^{4} = \\ 7 {x}^{4} + 3 {x}^{4} \\ 10 {x}^{4} \\ \\ c)4x {y}^{2} - 9x {y}^{2} + x {y}^{2} = \\ - 5x {y}^{2} + x {y}^{2} = \\ - 4x {y}^{2} \\ \\ d)14xy + 5xy - 13xy + 6xy = \\ 19xy - 7xy = \\ 12xy$
espero ter ajudado

Answer 2

a)2a²-3a²+5a²+5a²
-a²+10a²
9a²

b)12x⁴-5x⁴+3x⁴
7x⁴+3x⁴
10x⁴

c)4xy²-9xy²+xy²
-5xy²+xy²
-4xy²

d)14xy+5xy-13xy+6xy
9xy-7xy
12xy

Espero ter ajudado