using identities find :
(3x+2) (3x+5)
Answers
Answered by
3
Given =》
▪︎(3x+2)(3x+5)
Explanation =》
▪︎(3x+2)(3x+5)
= 3x(3x+5)+2(3x+5)
=9x ²+15x+6x+10
= 9x²+21x+10
= 9x²+(15+6)x+10
= 9x²+15x+6x+10
= 3x(3x+5)+2(3x+5)
= (3x+5)(3x+2)
= x= -5/3, x= -2/3
━━━━━━━━━━━━━━━━━━━
Answered by
1
Answer:
9x²+30x+10
Step-by-step explanation:
(3x+2)(3x+5)
(3x)²+(2+5)3x+2×5
9x²+(10)3x+10 [Identity: (x+a)(x+b)=x²+(a+b)x+ab]
9x²+30x+10
Similar questions