Question

calcule a soma algébrica:
a)7x+4y-x-9y=

b)3a-7b+2a=

c)-2m+4m²+7m-m²=

d)5a²b+ab²-9ab²+a²b=

e)4m+7n+10n=

f)12xy+8x²y²-5xy=

g)x⁵+3x⁴-8x⁵-7x⁴+8x⁵=

h)7a-9b-5c+b-2c-a=​

Answer 1

a)7x+4y-x-9y= +6x-5y

b)3a-7b+2a= +5a-7b = -2a

c)-2m+4m²+7m-m²= -3m²+11m² = +8m²

d)5a²b+ab²-9ab²+a²b= +6a²b-8ab²

e)4m+7n+10n= +4m+17n

f)12xy+8x²y²-5xy= 7xy+8x²y²

g)x⁵+3x⁴-8x⁵-7x⁴+8x⁵= -4x⁴+x⁵

h)7a-9b-5c+b-2c-a= +6a-8b-7c

✨ Prontinho ✨

21/06/22