Question

pls solve this i will make you brainliest​

Answer 1

Step-by-step explanation:

(-20)×3+(-20)×4

(-60)+(-80)

-1400

hope this helps u

2)

7×(-15)+5×(-15)

(-105)+(-75)

105- (-75)

-180

Answer 2

Answer:

(i) -140 (ii) -180

Step-by-step explanation:

(i) (-20) × 3 + (-20) × 4

Taking 20 as common

= (-20)×(3+4)

= (-20)×7

= -140

(ii) 7 × (-15) + 5 × (-15)

Taking -15 as common

= (-15)×(7+5)

= (-15)×12

= -180

Hope, it may be helpful.