Question

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1- (-2x^2+3)^2=

2- (4m^5+5n^6)^2=

3- (-3x^2+2x)^3=

4- (-3xy^2-2xy)^3=

5- (3y+4) (3y-4)=​

Answer 1

Explicación paso a paso:

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1-

(-2x²+3)² = (-2x²)²+2(-2x²)(3)+(3)²  

(-2x + 3)² = 4x⁴-12x²+9  

2-

(4m⁵+5n⁶)² = (4m⁵)²+2(4m⁵)(5n⁶)+(5n⁶)²  

(4m + 5n)² = 16m¹⁰ + 40m⁵n⁶+25n¹²    

 

4-

(-3xy²-2xy)³ = (-3xy²)³-3(-3xy²)²(2xy)+3(-3xy²)(2xy)²-(2xy)³

(-3xy - 2xy)³ = -27x³y⁶-54x³y⁵+36x³y⁴-8x³y³

5-

(3y+4)(3y-4)    

(3y)(3y) + (3y)(-4) + (4)(3y) + (4)(-4)    

9y² -12y +12y -16

9y² - 16