(×+5)(×-3) how to solve this using a formula
Answers
Answered by
0
Answer:
(x+a)(x+b)=x²+(a+b)x+ab
(x+5)(x-3)=x²+(5-3)x+5*-3
=x²+2x-15
Hope it helps u......
Pls mark me as brainliest
Answered by
0
Answer:
(x+5)(X-3)
x2-3x+5x-15
x2+2x-15
Step-by-step explanation:
(x2 is x power 2)
First no. of first bracket get multiplies with the both no. of second brackets. And the second no. gets multiplies with the both no. of second bracket.
MOST REMEMBER THING is-
- - = + (MINUS MINUS BECOMES PLUS)
- + = - ( MINUS PLUS BECOMES MINUS)
+ - = - (PLUS MINUS BECOMES MINUS)
+ + = + ( PLUS PLUS BECOMES PLUS)
Similar questions