resolva as adições e subtrações de polinômios: a)(16x²-5x+13)-(13x²+14x-15)=. b)(17x²-5x+13)+(3x²+15x+14)=. c)(14x²+5x+17)+(5x²+14x-15)= d)(17x²-8x+14)-(6x²-2x-11)=. e) (8x²-4x-16)+(7x²-12x+17)= f) (9x²-5x+16)+(13x²+4x-12)= g) (-12x²+8x-17)-(14x²-3x-7)= h) (12x²+15x-16)-(12x²-6x+7)= i) (17x²+4x+5)-(13x²-5x+6)= j) (14x²-15x+17)-(13x²-8x-17)=
Me ajudemmm
Soluções para a tarefa
Resposta:
a)(16x²-5x+13)-(13x²+14x-15)=
16x² -5x +13 -13x² -14x +15 =
16x² -13x² -5x -14x +14 +15 =
\ / \ / \ /
3x² -19x +29 = 0
b)(17x²-5x+13)+(3x²+15x+14)=
17x² -5x +13 +3x² +15x +14 =
17x² +3x² -5x +15x +13 +14 =
\ / \ / \ /
20x² +10x +27 = 0
c)(14x²+5x+17)+(5x²+14x-15)=
14x² +5x +17 +5x² +14x -15 =
14x² +5x² +5x +14x +17 -15 =
\ / \ / \ /
19x² +19x +2 = 0
d)(17x²-8x+14)-(6x²-2x-11)=
17x² -8x +14 -6x² +2x +11 =
17x² -6x² -8x +2x +14 +11 =
\ / \ / \ /
11x² -2x +25 = 0
e) (8x²-4x-16)+(7x²-12x+17)=
8x² -4x -16 +7x² -12x +17 =
8x² +7x² -4x -12x -16 +17 =
\ / \ / \ /
15x² -16x +1 = 0
f) (9x²-5x+16)+(13x²+4x-12)=
9x² -5x +16 +13x² +4x -12 =
9x² +13x² -5x +4x +16 -12 =
\ / \ / \ /
22x² -x +4 = 0
g) (-12x²+8x-17)-(14x²-3x-7)=
-12x² +8x -17 -14x² +3x +7 =
-12x² -14x² +8x +3x -17 +7 =
\ / \ / \ /
-26x² +11x -10 = 0
h) (12x²+15x-16)-(12x²-6x+7)=
12x² +15x +16 -12x² +6x -7 =
12x² -12x² +15x +6x +16 -7 =
\ / \ / \ /
- 21x +9 =
21x +9 = 0
i) (17x²+4x+5)-(13x²-5x+6)=
17x² +4x +5 -13x² +5x -6 =
17x² -13x² +4x +5x +5 -6 =
\ / \ / \ /
4x² +9x -1 = 0
j) (14x²-15x+17)-(13x²-8x-17)=
14x² -15x +17 -13x² +8x +17 =
14x² -13x² -15x +8x +17 +17 =
\ / \ / \ /
x² -7x +34 = 0
Explicação passo-a-passo: