5+4=9 9-2=7
7x(-2)= (-14)
your answer is -14
You would need half a cup of milk. hope I helped.
Answer: Infinity solution
Step-by-step explanation:
6x + 30 + 4x = 10x + 30
10(x + 3) = 10x + 30
10x + 30 = 10x + 30
Answer:
1 - 2√7
Step-by-step explanation:
( 4 + √7)(2 - √7)
Open the brackets with
( 4+ √7)
= 4( 2 - √7) + √7(2 - √7)
= 8 - 4√7 + 2√7 - √49
= 8 ( -4 + 2)√7 - √49
= 8 - 2√7 - 7
= 8 - 7 - 2√7
= 1 - 2√7
