Question

answer fast! 100 points!

Answer 1

10m(5m + 7) / (5m + 7)²     *  (5m + 7)(m - 10)/8m =  5(m - 10)/4

Step-by-step explanation:

10m(5m + 7) / (5m + 7)²     *  (5m + 7)(m - 10)/8m

= 10m(5m + 7) * (5m + 7)(m - 10) / ((5m + 7)² * 8m)

Cancelling m from numerator & denominator

=  10(5m + 7) * (5m + 7)(m - 10) / ((5m + 7)² * 8)

= 10(5m + 7)²(m - 10) / ((5m + 7)² * 8)

Cancelling (5m + 7)² from numerator & denominator

= 10 (m - 10) /8

= 2 * 5 (m - 10)/(2 * 4)

= 5(m - 10)/4

10m(5m + 7) / (5m + 7)²     *  (5m + 7)(m - 10)/8m =  5(m - 10)/4

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Answer 2

Thanks Teacher amitnrw❣️