Choose the correct answer :(2x+7)×5y5 equals
10x+35
2xy+7y
2x+35y
45y
Justification of answer:
To simplify:(2x+7)×5y5
(2x+7)×5y5 =(2x+7)×5×y5
=(2x+7)×1×y1
=(2x+7)×y
=2xy+7y
Thus,option B is the correct answer
Observe the pattern and complete it.
15873×7×1=111111
15873×7×2=222222
15873×7×3=333333
15873×7×.....=444444
15873×7×5=...................×7×6=666666
Choose the correct answer:
4a + 12b is equal to
A. 4a
B. 12b
C. 4(a + 3b)
D. 3a