Take - xy + xz - yx from 3yz - 2zx + 4xy
From the sum of 8a + 15b and 3b - 7a subtract 9a + 3b
Answers
Answered by
1
(8a+15b)+(3b-7a)
=8a+(-7a) + 15b +3b
=8a-7a + 15b+3b
=a+18b
(a+18b)-(9a+3b)
=a-9a +18b-3b
= -8a+15b
=8a+(-7a) + 15b +3b
=8a-7a + 15b+3b
=a+18b
(a+18b)-(9a+3b)
=a-9a +18b-3b
= -8a+15b
Answered by
0
Answer:
Step-by-step explanation:
3yz - 2xz + 4xy - (-xy +xz -yx)
3yz - 2xz + 4xy + xy - xz + yx
3yz - 3xz +6xy
8a + 15b + 3b - 7a - (9a+3b)
8a + 15b + 3b - 7a - 9a - 3b
-8a + 15b
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