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pls help me hindi na kinakaya ng braincells kooo

Number
51-52.
53-54.
55-56.
57-58.
ONLY


Pls Help Me Hindi Na Kinakaya Ng Braincells Kooo Number 5152 5354 5556 5758 ONLY class=

Sagot :

Answers is in Pic hope it helps

thank you

51-52. SOLUTION:

[tex]\begin{aligned} & (x + 2)(x + 3) = 5 \\ & x^2 + 3x + 2x + 6 = 5 \\ & x^2 + 5x + 6 = 5 \\ & x^2 + 5x + 6 - 5 = 0 \\ & \boxed{x^2 + 5x + 1 = 0} \end{aligned}[/tex]

53-54. SOLUTION:

[tex]\begin{aligned} & (2x - 1)(x + 3) = 0 \\ & 2x^2 + 6x - x - 3 = 0 \\ & \boxed{2x^2 + 5x - 3 = 0} \end{aligned}[/tex]

55-56. SOLUTION:

[tex]\begin{aligned} & (x - 5)^2 = 1 \\ & x^2 -2(x)(5) + 5^2 = 1 \\ & x^2 - 10x + 25 = 1 \\ & x^2 - 10x + 25 - 1 = 0 \\ & \boxed{x^2 - 10x + 24 = 0} \end{aligned}[/tex]

57-58. SOLUTION:

[tex]\begin{aligned} & 4(x + 6)^2 = -19 \\ & 4(x^2 + 2(x)(6) + 6^2) = -19 \\ & 4(x^2 + 12x + 36) = -19 \\ & 4x^2 + 48x + 144 = -19 \\ & 4x^2 + 48x + 144 + 19 = 0 \\ & \boxed{4x^2 + 48x + 163 = 0} \end{aligned}[/tex]