3 years ago

(−6)∙(a+2b−3c−4d)−(−2)∙(−4a−3b+2c+d)

Mathematics

2 answers:

nasty-shy [4]3 years ago

5 0

Answer:

-14a-18b+22c+26d

Alik [6]3 years ago

4 0

(−6)∙(a+2b−3c−4d)−(−2)∙(−4a−3b+2c+d)
this will give us:
-6(a+2b-3c-4d)+2(-4a-3b+2c+d)
opening the parenthesis we get:
-6a-12b+18c+24d-8a-6b+4c+2d
putting like terms together we get
-6a-8a-12b-6b+18c+4c+24d+2d
simplifying the above we get
-14a-18b+22c+26d
the answer is :
-14a-18b+22c+26d

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