A.(x+3)²+(x+4)² B.(2p+3)²-(2p-3)² C.(5a-1)+(2a-3)² D.(ay+3)²-(y-3)² E.(3x-1)²+(x+5)² Mohon Bntuannya
Matematika
MustaqwaMuslim
Pertanyaan
A.(x+3)²+(x+4)²
B.(2p+3)²-(2p-3)²
C.(5a-1)+(2a-3)²
D.(ay+3)²-(y-3)²
E.(3x-1)²+(x+5)²
Mohon Bntuannya
1 Jawaban
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1. Jawaban sandeee
a. (x+3)(x+3) = x²+3x+3x+9 = x² + 6x +9
+
(x+4)(x+4)=x²+4x+4x+16=x²+8x+16
= x⁴+14x+25
b. (2p+3)(2p+3)=4p²+6p+6p+9=4p+12p+9
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(2p-3)(2p-3)=4p²-6p-6p+9=4p-12p+9
= 24p
c. (5a-1)+(2a-3) ²
(2a-3(2a-3) = 4a²-6a-6a+9 = 4a²+9
(5a-1) + 4a²-9= 4a²+5a-10
a-c dlu ya. mau skolah soalnya :))