Question

please solve this questions . plz help.​

Answer 1

Answer:

a) 7x-3. b)-1y-3. c)-3z-9. d)6k+10.9 e)3a-3b

Step-by-step explanation:

a) (2x+3)(5x-6)

(2x+5x)(3-6)

(7x)(-3)

7x-3

b) (-5y-2)(4y-1)

(-5y+4y)(-2-1)

-1y-3

c) (2z-3)(-5z-6)

(2z-5z)(-3-6)

-3z-9

d) (3.1k+6.2)(2.9k+4.7)

(3.1k+2.9k)(6.2+4.7)

6k+10.9

e) (-2a+3b)(5a-6b)

(-2a+5a)(3b-6b)

3a-3b