Instructions: Simplify each
1.)(-6×-3)+(3×-9)
[tex]2.)(3 {x}^{2} + 5x - 9) + ( - 3 \times + 4) [/tex]
[tex]3.)(4 {x}^{2} + 3x + 6) + (6 {x}^{2} + 3x - 7) [/tex]
[tex]4.)(5 {x}^{2} + 10xy + 4 {y}^{2}) + 7 {x}^{2} + 8xy - 6 {x}^{2}) [/tex]
[tex]5.)(2a + 5) + (4 {a}^{2} + 2a - 5)[/tex]
pahelp naman po need ko na po yung answer
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1. -9
2. 3 x ² + 2 x - 5
3. 10 x ² + 6 x - 1
4. 6 x ² + 18 x y + 4 y ²
5. 4 a + 4 a ²
ANSWERS:
1.) (-6×-3)+(3×-9)
= (+18)+(-27)
= -9
2.) (3x²+5x-9)+(-3x+4)
= (3x²)+(5x-3x)+(-9+4)
= 3x²+2x-5
3.) (4x²+3x+6)+(6x²+3x-7)
= (4x²+6x²)+(3x+3x)+(6-7)
= 10x²+6x-1
4.) (5x²+10xy+4y²)+(7x²+8xy-6x²)
= (5x²+7x²-6x²)+(10xy+8xy)+(4y²)
= 6x²+18xy+4y²
5.) (2a+5)+(4a²+2a-5)
= (4a²)+(2a+2a)+(5-5)
= 4a²+4a