Question

10y(6y+21)÷5(2y+7)
المباع) 5لاوانيا​

Answer 1

Answer:

10y(6y+21)÷5(2y+7)=

5(2y+7)

10y(6y+21)

=

5×(2y+7)

5×2×y×3×(2y+7)

=

1

2×y×3

=6y

Answer 2

Answer:

$6y$

Step-by-step explanation:

$10y(6y + 21) \div 5(2y + 7) \\ \frac{10y(6y + 21)}{5(2y + 7)} \\ \frac{5 \times 2 \times y \times 3 \times (2y + 7)}{5 \times (2y + 7)} \\ \frac{2 \times y \times 3}{1} \\ = 6y$