Add 2a(3a-b) and -5a(a-3b)
Answers
Answered by
1
Answer:
11a^2-17ab is your answer
Step-by-step explanation:
2a(3a-b)+5a(a-3b)
=6a^2-2ab+5a^2-15ab
=6a^2+5a^2-2ab-15ab
=11a^2-17ab
Answered by
1
2a( 3a-b ) + [ -5a(a-3b)]
When there is no operation symbol between a number and a bracket then it means multiplication.
[ 2a* 3a - 2a*b ] + [ -5a*a -3b*-5a ]
= [6a-2ab] + [ -6a + 15ab ]
Add like terms
= ( 6a-6a ) + ( -2ab+15ab )
= 13 ab
When there is no operation symbol between a number and a bracket then it means multiplication.
[ 2a* 3a - 2a*b ] + [ -5a*a -3b*-5a ]
= [6a-2ab] + [ -6a + 15ab ]
Add like terms
= ( 6a-6a ) + ( -2ab+15ab )
= 13 ab
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