Enrhifo
25x^{2}+16x+4
Ehangu
25x^{2}+16x+4
Graff
Rhannu
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16x^{2}+16x+4+\left(3x\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(4x+2\right)^{2}.
16x^{2}+16x+4+3^{2}x^{2}
Ehangu \left(3x\right)^{2}.
16x^{2}+16x+4+9x^{2}
Cyfrifo 3 i bŵer 2 a chael 9.
25x^{2}+16x+4
Cyfuno 16x^{2} a 9x^{2} i gael 25x^{2}.
16x^{2}+16x+4+\left(3x\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(4x+2\right)^{2}.
16x^{2}+16x+4+3^{2}x^{2}
Ehangu \left(3x\right)^{2}.
16x^{2}+16x+4+9x^{2}
Cyfrifo 3 i bŵer 2 a chael 9.
25x^{2}+16x+4
Cyfuno 16x^{2} a 9x^{2} i gael 25x^{2}.
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