Answer:
1.) W⁴-24w²+144= (W²-12)²
2.) x²-2×-15= (×+3)×(×-5)
3.) 12y²-36y-21= 3(2y+1)×(2y-7)
4.)16ײ+72xy+81y²= (4×+9y)²
hope it helps,
ANSWER:
3. 12y^2-36-21=0
(12y^2-36y-21)/3=0
4y^2-12y-7=0
(2y-7)(2y+1)=0
2y=7, 2y= -1 (divide both sides by 2)
y=7/2,7= -1/2
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
1.) W⁴-24w²+144= (W²-12)²
2.) x²-2×-15= (×+3)×(×-5)
3.) 12y²-36y-21= 3(2y+1)×(2y-7)
4.)16ײ+72xy+81y²= (4×+9y)²
hope it helps,
ANSWER:
3. 12y^2-36-21=0
(12y^2-36y-21)/3=0
4y^2-12y-7=0
(2y-7)(2y+1)=0
2y=7, 2y= -1 (divide both sides by 2)
y=7/2,7= -1/2